./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array6_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a08336-ce99-4014-8a73-2c5ebe896f55/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a08336-ce99-4014-8a73-2c5ebe896f55/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a08336-ce99-4014-8a73-2c5ebe896f55/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a08336-ce99-4014-8a73-2c5ebe896f55/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array6_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a08336-ce99-4014-8a73-2c5ebe896f55/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a08336-ce99-4014-8a73-2c5ebe896f55/bin/ukojak-vF6T2TMglN --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 81db346fb66b40514998cf838e858b3f0793fe5c74d5812efa60193ab54d6833 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:43:25,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:43:25,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:43:25,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:43:25,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:43:25,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:43:25,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:43:25,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:43:25,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:43:25,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:43:25,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:43:25,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:43:25,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:43:25,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:43:25,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:43:25,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:43:25,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:43:25,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:43:25,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:43:25,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:43:25,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:43:25,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:43:25,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:43:25,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:43:25,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:43:25,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:43:25,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:43:25,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:43:25,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:43:25,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:43:25,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:43:25,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:43:25,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:43:25,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:43:25,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:43:25,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:43:25,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:43:25,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:43:25,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:43:25,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:43:25,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:43:25,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a08336-ce99-4014-8a73-2c5ebe896f55/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 04:43:25,680 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:43:25,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:43:25,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:43:25,681 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:43:25,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:43:25,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:43:25,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:43:25,682 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:43:25,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:43:25,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:43:25,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:43:25,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:43:25,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:43:25,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:43:25,684 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:43:25,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:43:25,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:43:25,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:43:25,685 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:43:25,685 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:43:25,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:43:25,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:43:25,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:43:25,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:43:25,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:43:25,686 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:43:25,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:43:25,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:43:25,687 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_68a08336-ce99-4014-8a73-2c5ebe896f55/bin/ukojak-vF6T2TMglN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a08336-ce99-4014-8a73-2c5ebe896f55/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81db346fb66b40514998cf838e858b3f0793fe5c74d5812efa60193ab54d6833 [2021-11-21 04:43:26,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:43:26,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:43:26,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:43:26,030 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:43:26,031 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:43:26,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a08336-ce99-4014-8a73-2c5ebe896f55/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/array-patterns/array6_pattern.c [2021-11-21 04:43:26,133 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a08336-ce99-4014-8a73-2c5ebe896f55/bin/ukojak-vF6T2TMglN/data/35680bac5/53e31abc37234b97b4ab2ad3653c65aa/FLAGf560aee46 [2021-11-21 04:43:26,559 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:43:26,561 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a08336-ce99-4014-8a73-2c5ebe896f55/sv-benchmarks/c/array-patterns/array6_pattern.c [2021-11-21 04:43:26,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a08336-ce99-4014-8a73-2c5ebe896f55/bin/ukojak-vF6T2TMglN/data/35680bac5/53e31abc37234b97b4ab2ad3653c65aa/FLAGf560aee46 [2021-11-21 04:43:26,930 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a08336-ce99-4014-8a73-2c5ebe896f55/bin/ukojak-vF6T2TMglN/data/35680bac5/53e31abc37234b97b4ab2ad3653c65aa [2021-11-21 04:43:26,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:43:26,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:43:26,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:43:26,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:43:26,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:43:26,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:43:26" (1/1) ... [2021-11-21 04:43:26,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591c77ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:26, skipping insertion in model container [2021-11-21 04:43:26,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:43:26" (1/1) ... [2021-11-21 04:43:26,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:43:26,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:43:27,149 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_68a08336-ce99-4014-8a73-2c5ebe896f55/sv-benchmarks/c/array-patterns/array6_pattern.c[1356,1369] [2021-11-21 04:43:27,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:43:27,195 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:43:27,213 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_68a08336-ce99-4014-8a73-2c5ebe896f55/sv-benchmarks/c/array-patterns/array6_pattern.c[1356,1369] [2021-11-21 04:43:27,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:43:27,263 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:43:27,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:27 WrapperNode [2021-11-21 04:43:27,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:43:27,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:43:27,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:43:27,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:43:27,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:27" (1/1) ... [2021-11-21 04:43:27,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:27" (1/1) ... [2021-11-21 04:43:27,301 INFO L137 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2021-11-21 04:43:27,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:43:27,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:43:27,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:43:27,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:43:27,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:27" (1/1) ... [2021-11-21 04:43:27,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:27" (1/1) ... [2021-11-21 04:43:27,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:27" (1/1) ... [2021-11-21 04:43:27,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:27" (1/1) ... [2021-11-21 04:43:27,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:27" (1/1) ... [2021-11-21 04:43:27,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:27" (1/1) ... [2021-11-21 04:43:27,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:27" (1/1) ... [2021-11-21 04:43:27,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:43:27,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:43:27,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:43:27,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:43:27,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:27" (1/1) ... [2021-11-21 04:43:27,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:43:27,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a08336-ce99-4014-8a73-2c5ebe896f55/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:43:27,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a08336-ce99-4014-8a73-2c5ebe896f55/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:43:27,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a08336-ce99-4014-8a73-2c5ebe896f55/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:43:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:43:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 04:43:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 04:43:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:43:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 04:43:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 04:43:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:43:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:43:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 04:43:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:43:27,508 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:43:27,509 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:43:27,720 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:43:27,779 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:43:27,779 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-21 04:43:27,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:43:27 BoogieIcfgContainer [2021-11-21 04:43:27,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:43:27,784 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:43:27,784 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:43:27,794 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:43:27,795 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:43:27" (1/1) ... [2021-11-21 04:43:27,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:43:27,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:27,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-21 04:43:27,857 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-21 04:43:27,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:43:27,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:27,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:28,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:43:28,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:28,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2021-11-21 04:43:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-11-21 04:43:28,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:43:28,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:28,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:28,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:43:28,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:28,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 24 transitions. [2021-11-21 04:43:28,210 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2021-11-21 04:43:28,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:43:28,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:28,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:28,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:43:28,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:28,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 38 transitions. [2021-11-21 04:43:28,595 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2021-11-21 04:43:28,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:28,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:28,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:28,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:28,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:28,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:29,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:29,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:29,230 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:29,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:29,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:29,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:29,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:29,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:29,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:29,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:29,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:29,406 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:29,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:29,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:29,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:29,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:29,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:29,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:29,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:29,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:29,547 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:29,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:29,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:29,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:29,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:29,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:29,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:29,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:29,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:29,699 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:29,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:29,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:29,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:29,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:29,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:29,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:29,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:29,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:29,823 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:29,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:29,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:29,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:29,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:29,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:29,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:29,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:29,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:29,963 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:29,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:29,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:29,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:30,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:30,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:30,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:30,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:30,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:30,072 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:30,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:30,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:30,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:30,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:30,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:30,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:30,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:30,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:30,175 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:30,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:30,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:30,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:30,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:30,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:30,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:30,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:30,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:30,263 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:30,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:30,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:30,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:30,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:30,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:30,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:30,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:30,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:30,349 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:30,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:30,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:30,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:30,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:30,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:30,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:30,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:30,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:30,439 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:30,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:30,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:30,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:30,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:30,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:30,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:30,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:30,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:30,511 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:30,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:30,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:30,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:30,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:30,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:30,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:30,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:30,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:30,605 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:30,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:30,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:30,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:30,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:30,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:30,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:30,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:30,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:30,701 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:30,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:30,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:30,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:30,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:30,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:30,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:30,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:30,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:30,801 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:30,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:30,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:30,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:30,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:30,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:30,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:30,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:30,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:30,907 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:30,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:30,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:30,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:30,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:30,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:30,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:30,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:30,981 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:30,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:30,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:30,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:31,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:31,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:31,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:31,068 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:31,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:31,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:31,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:31,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:31,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:31,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:31,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:31,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:31,154 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:31,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:31,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:31,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:31,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:31,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:31,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:31,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:31,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:31,252 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:31,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:31,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:31,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:31,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:31,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:31,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:31,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:31,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:31,322 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:31,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:31,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:31,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:31,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:31,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:31,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:31,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:31,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:31,398 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:31,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:31,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:31,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:31,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:31,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:31,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:31,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:31,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:31,468 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:31,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:31,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:31,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:31,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:31,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:31,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:31,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:31,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:31,550 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:31,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:31,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:31,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:31,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:31,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:31,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:31,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:31,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:31,617 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:31,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:31,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:31,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:31,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:31,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:31,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:31,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:31,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:31,684 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:31,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:31,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:31,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:31,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:31,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:31,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:31,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:31,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:31,750 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:31,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:31,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:31,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:31,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:31,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:31,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:31,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:31,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:31,820 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:31,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:31,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:31,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:31,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:31,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:31,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:31,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:31,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:31,895 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:31,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:31,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:31,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:31,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:31,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:31,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:31,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:31,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:31,959 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:31,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:31,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:31,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:31,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:31,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:32,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:32,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:32,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:32,025 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:32,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:32,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:32,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:32,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:32,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:32,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:32,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:32,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:32,102 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:32,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:32,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:32,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:32,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:32,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:32,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:32,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:32,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:32,175 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:32,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:32,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:32,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:32,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:32,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:32,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:32,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:32,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:32,246 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:32,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:32,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:32,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:32,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:32,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:32,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:32,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:32,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:32,314 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:32,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:32,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:32,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:32,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:32,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:32,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:32,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:32,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:32,384 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:32,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:32,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:32,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:32,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:32,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:32,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:32,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:32,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:32,460 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:32,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:32,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:32,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:32,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:32,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:32,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:32,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:32,553 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:32,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:32,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:32,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:32,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:32,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:32,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:32,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:32,631 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:32,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:32,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:32,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:32,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:32,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:32,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:32,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:32,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:32,703 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:32,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:32,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:32,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:32,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:32,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:32,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:32,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:32,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:32,781 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:32,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:32,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:32,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:32,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:32,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:32,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:32,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:32,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:32,851 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:32,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:32,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:32,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:32,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:32,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:32,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:32,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:32,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:32,929 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:32,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:32,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:32,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:32,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:32,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:33,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:33,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:33,005 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:33,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:33,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:33,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:33,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:33,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:33,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:33,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:33,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:33,072 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:33,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:33,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:33,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:33,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:33,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:33,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:33,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:33,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:33,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:33,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:33,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:33,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:33,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:33,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:33,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:33,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:33,230 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:33,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:33,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:33,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:33,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:33,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:33,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:33,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:33,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:33,302 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:33,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:33,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:33,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:33,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:33,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:33,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:33,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:33,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:33,387 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:33,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:33,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:33,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:33,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:33,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:33,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:33,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:33,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:33,454 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:33,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:33,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:33,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:33,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:33,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:33,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:33,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:33,522 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:33,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:33,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:33,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:33,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:33,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:33,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:33,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:33,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:33,593 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:33,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:33,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:33,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:33,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:33,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:33,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:33,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:33,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:33,661 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:33,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:33,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:33,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:33,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:33,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:33,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:33,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:33,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:33,730 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:33,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:33,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:33,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:33,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:33,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:33,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:33,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:33,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:33,797 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:33,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:33,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:33,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:33,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:33,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:33,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:33,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:33,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:33,875 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:33,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:33,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:33,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:33,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:33,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:33,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:33,952 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:33,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:33,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:33,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:33,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:33,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:34,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:34,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:34,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:34,022 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:34,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:34,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:34,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:34,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:34,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:34,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:34,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:34,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:34,095 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:34,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:34,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:34,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:34,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:34,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:34,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:34,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:34,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:34,192 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:34,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:34,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:34,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:34,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:34,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:34,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:34,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:34,266 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:34,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:34,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:34,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:34,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:34,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:34,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:34,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:34,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:34,340 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:34,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:34,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:34,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:34,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:34,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:34,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:34,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:34,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:34,409 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:34,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:34,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:34,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:34,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:34,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:34,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:34,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:34,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:34,485 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:34,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:34,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:34,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:34,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:34,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:34,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:34,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:34,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:34,548 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:34,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:34,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:34,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:34,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:34,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:34,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:34,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:34,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:34,613 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:34,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:34,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:34,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:34,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:34,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:34,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:34,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:34,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:34,677 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:34,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:34,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:34,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:34,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:34,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:34,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:34,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:34,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:34,746 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:34,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:34,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:34,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:34,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:34,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:34,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:34,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:34,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:34,812 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:34,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:34,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:34,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:34,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:34,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:34,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:34,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:34,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:34,878 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:34,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:34,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:34,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:34,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:34,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:34,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:34,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:34,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:34,947 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:34,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:34,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:34,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:34,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:34,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:35,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:35,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:35,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:35,023 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:35,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:35,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:35,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:35,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:35,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:35,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:35,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:35,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:35,100 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:35,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:35,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:35,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:35,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:35,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:35,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:35,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:35,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:35,170 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:35,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:35,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:35,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:35,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:35,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:35,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:35,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:35,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:35,234 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:35,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:35,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:35,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:35,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:35,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:35,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:35,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:35,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:35,297 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:35,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:35,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:35,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:35,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:35,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:35,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:35,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:35,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:35,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:35,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:35,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:35,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:35,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:35,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:35,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:35,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:35,426 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:35,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:35,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:35,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:35,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:35,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:35,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:35,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:35,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:35,496 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:35,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:35,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:35,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:35,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:35,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:35,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:35,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:35,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:35,561 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:35,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:35,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:35,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:35,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:35,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:35,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:35,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:35,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:35,626 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:35,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:35,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:35,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:35,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:35,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:35,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:35,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:35,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:35,692 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:35,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:35,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:35,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:35,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:35,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:35,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:35,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:35,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:35,756 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:35,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:35,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:35,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:35,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:35,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:35,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:35,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:35,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:35,820 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:35,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:35,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:35,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:35,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:35,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:35,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:35,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:35,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:35,894 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:35,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:35,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:35,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:35,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:35,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:35,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:35,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:35,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:35,960 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:35,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:35,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:35,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:35,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:35,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:36,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:36,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:36,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:36,024 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:36,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:36,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:36,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:36,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:36,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:36,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:36,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:36,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:36,096 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:36,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:36,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:36,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:36,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:36,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:36,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:36,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:36,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:36,161 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:36,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:36,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:36,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:36,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:36,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:36,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:36,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:36,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:36,228 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:36,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:36,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:36,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:36,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:36,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:36,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:36,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:36,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:36,291 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:36,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:36,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:36,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:36,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:36,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:36,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:36,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:36,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:36,351 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:36,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:36,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:36,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:36,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:36,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:36,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:36,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:36,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:36,411 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:36,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:36,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:36,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:36,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:36,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:36,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:36,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:36,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:36,472 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:36,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:36,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:36,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:36,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:36,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:36,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:36,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:36,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:36,532 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:36,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:36,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:36,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:36,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:36,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:36,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:36,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:36,602 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:36,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:36,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:36,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:36,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:36,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:36,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:36,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:36,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:36,665 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:36,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:36,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:36,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:36,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:36,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:36,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:36,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:36,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:36,739 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:36,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:36,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:36,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:36,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:36,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:36,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:36,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:36,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:36,803 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:36,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:36,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:36,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:36,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:36,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:36,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:36,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:36,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:36,874 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:36,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:36,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:36,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:36,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:36,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:36,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:36,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:36,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:36,933 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:36,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:36,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:36,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:36,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:36,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:36,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:36,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:36,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:36,992 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:36,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:36,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:36,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:37,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:37,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:37,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:37,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:37,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:37,051 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:37,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:37,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:37,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:37,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:37,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:37,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:37,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:37,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:37,117 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:37,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:37,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:37,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:37,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:37,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:37,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:37,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:37,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:37,187 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:37,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:37,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:37,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:37,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:37,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:37,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:37,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:37,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:37,266 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:37,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:37,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:37,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:37,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:37,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:37,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:37,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:37,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:37,324 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:37,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:37,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:37,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:37,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:37,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:37,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:37,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:37,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:37,383 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:37,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:37,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:37,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:37,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:37,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:37,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:37,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:37,443 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:37,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:37,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:37,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:37,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:37,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:37,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:37,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:37,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:37,525 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:37,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:37,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:37,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:37,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:37,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:37,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:37,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:37,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:37,588 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:37,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:37,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:37,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:37,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:37,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:37,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:37,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:37,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:37,649 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:37,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:37,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:37,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:37,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:37,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:37,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:37,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:37,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:37,710 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:37,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:37,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:37,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:37,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:37,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:37,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:37,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:37,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:37,776 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:37,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:37,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:37,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:37,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:37,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:37,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:37,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:37,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:37,837 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:37,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:37,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:37,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:37,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:37,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:37,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:37,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:37,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:37,895 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:37,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:37,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:37,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:37,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:37,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:37,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:37,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:37,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:37,953 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:37,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:37,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:37,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:37,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:37,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:38,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:38,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:38,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:38,011 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:38,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:38,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:38,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:38,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:38,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:38,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:38,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:38,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:38,070 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:38,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:38,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:38,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:38,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:38,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:38,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:38,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:38,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:38,128 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:38,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:38,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:38,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:38,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:38,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:38,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:38,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:38,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:38,190 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:38,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:38,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:38,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:38,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:38,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:38,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:38,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:38,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:38,248 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:38,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:38,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:38,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:38,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:38,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:38,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:38,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:38,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:38,305 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:38,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:38,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:38,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:38,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:38,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:38,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:38,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:38,362 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:38,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:38,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:38,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:38,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:38,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:38,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:38,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:38,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:38,433 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:38,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:38,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:38,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:38,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:38,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:38,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:38,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:38,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:38,490 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:38,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:38,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:38,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:38,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:38,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:38,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:38,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:38,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:38,550 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:38,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:38,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:38,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:38,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:38,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:38,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:38,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:38,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:38,624 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:38,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:38,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:38,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:38,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:38,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:38,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:38,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:38,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:38,701 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:38,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:38,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:38,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:38,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:38,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:38,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:38,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:38,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:38,767 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:38,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:38,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:38,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:38,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:38,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:38,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:38,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:38,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:38,827 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:38,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:38,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:38,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:38,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:38,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:38,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:38,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:38,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:38,884 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:38,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:38,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:38,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:38,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:38,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:38,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:38,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:38,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:38,944 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:38,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:38,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:38,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:38,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:38,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:38,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:39,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:39,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:39,005 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:39,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:39,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:39,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:39,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:39,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:39,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:39,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:39,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:39,064 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:39,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:39,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:39,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:39,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:39,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:39,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:39,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:39,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:39,140 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:39,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:39,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:39,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:39,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:39,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:39,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:39,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:39,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:39,227 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:39,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:39,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:39,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:39,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:39,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:39,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:39,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:39,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:39,291 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:39,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:39,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:39,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:39,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:39,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:39,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:39,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:39,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:39,352 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:39,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:39,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:39,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:39,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:39,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:39,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:39,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:39,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:39,409 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:39,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:39,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:39,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:39,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:39,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:39,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:39,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:39,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:39,479 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:39,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:39,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:39,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:39,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:39,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:39,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:39,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:39,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:39,557 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:39,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:39,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:39,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:39,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:39,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:39,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:39,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:39,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:39,637 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:39,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:39,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:39,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:39,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:39,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:39,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:39,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:39,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:39,701 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:39,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:39,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:39,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:39,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:39,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:39,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:39,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:39,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:39,769 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:39,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:39,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:39,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:39,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:39,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:39,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:39,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:39,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:39,843 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:39,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:39,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:39,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:39,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:39,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:39,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:39,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:39,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:39,908 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:39,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:39,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:39,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:39,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:39,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:39,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:40,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:40,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:40,004 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:40,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:40,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:40,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:40,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:40,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:40,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:40,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:40,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:40,069 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:40,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:40,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:40,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:40,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:40,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:40,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:40,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:40,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:40,130 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:40,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:40,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:40,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:40,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:40,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:40,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:40,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:40,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:40,207 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:40,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:40,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:40,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:40,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:40,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:40,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:40,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:40,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:40,265 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:40,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:40,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:40,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:40,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:40,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:40,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:40,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:40,324 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:40,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:40,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:40,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:40,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:40,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:40,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:40,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:40,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:40,399 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:40,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:40,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:40,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:40,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:40,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:40,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:40,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:40,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:40,468 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:40,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:40,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:40,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:40,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:40,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:40,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:40,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:40,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:40,548 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:40,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:40,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:40,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:40,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:40,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:40,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:40,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:40,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:40,615 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:40,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:40,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:40,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:40,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:40,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:40,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:40,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:40,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:40,679 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:40,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:40,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:40,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:40,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:40,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:40,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:40,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:40,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:40,752 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:40,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:40,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:40,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:40,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:40,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:40,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:40,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:40,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:40,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:40,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:40,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:40,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:40,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:40,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:40,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:40,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:40,884 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:40,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:40,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:40,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:40,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:40,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:40,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:40,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:40,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:40,952 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:40,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:40,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:40,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:40,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:40,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:41,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:41,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:41,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:41,011 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:41,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:41,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:41,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:41,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:41,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:41,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:41,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:41,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:41,075 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:41,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:41,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:41,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:41,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:41,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:41,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:41,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:41,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:41,155 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:41,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:41,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:41,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:41,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:41,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:41,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:41,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:41,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:41,228 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:41,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:41,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:41,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:41,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:41,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:41,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:41,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:41,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:41,303 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:41,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:41,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:41,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:41,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:41,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:41,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:41,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:41,363 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:41,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:41,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:41,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:41,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:41,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:41,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:41,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:41,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:41,424 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:41,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:41,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:41,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:41,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:41,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:41,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:41,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:41,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:41,496 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:41,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:41,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:41,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:41,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:41,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:41,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:41,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:41,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:41,571 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:41,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:41,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:41,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:41,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:41,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:41,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:41,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:41,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:41,650 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:41,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:41,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:41,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:41,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:41,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:41,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:41,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:41,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:41,714 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:41,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:41,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:41,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:41,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:41,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:41,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:41,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:41,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:41,790 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:41,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:41,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:41,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:41,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:41,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:41,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:41,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:41,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:41,857 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:41,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:41,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:41,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:41,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:41,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:41,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:41,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:41,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:41,926 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:41,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:41,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:41,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:41,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:41,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:42,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:42,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:42,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:42,016 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:42,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:42,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:42,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:42,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:42,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:42,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:42,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:42,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:42,073 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:42,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:42,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:42,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:42,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:42,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:42,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:42,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:42,138 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:42,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:42,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:42,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:42,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:42,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:42,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:42,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:42,212 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:42,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:42,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:42,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:42,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:42,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:42,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:42,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:42,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:42,275 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:42,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:42,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:42,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:42,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:42,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:42,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:42,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:42,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:42,330 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:42,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:42,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:42,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:42,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:42,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:42,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:42,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:42,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:42,391 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:42,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:42,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:42,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:42,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:42,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:42,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:42,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:42,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:42,483 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:42,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:42,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:42,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:42,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:42,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:42,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:42,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:42,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:42,548 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:42,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:42,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:42,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:42,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:42,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:42,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:42,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:42,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:42,605 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:42,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:42,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:42,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:42,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:42,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:42,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:42,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:42,668 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:42,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:42,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:42,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:42,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:42,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:42,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:42,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:42,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:42,727 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:42,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:42,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:42,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:42,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:42,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:42,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:42,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:42,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:42,791 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:42,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:42,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:42,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:42,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:42,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:42,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:42,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:42,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:42,850 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:42,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:42,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:42,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:42,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:42,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:42,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:42,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:42,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:42,935 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:42,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:42,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:42,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:42,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:42,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:42,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:42,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:42,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:42,997 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:42,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:42,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:42,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:43,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:43,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:43,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:43,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:43,055 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:43,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:43,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:43,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:43,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:43,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:43,113 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:43,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:43,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:43,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:43,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:43,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:43,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:43,171 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:43,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:43,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:43,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:43,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:43,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:43,229 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:43,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:43,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:43,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:43,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:43,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:43,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:43,286 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:43,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:43,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:43,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:43,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:43,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:43,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:43,343 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:43,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:43,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:43,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:43,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:43,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:43,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:43,400 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:43,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:43,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:43,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:43,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:43,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:43,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:43,458 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:43,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:43,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:43,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:43,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:43,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:43,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:43,514 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:43,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:43,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:43,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:43,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:43,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:43,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:43,571 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:43,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:43,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:43,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:43,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:43,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:43,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:43,628 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:43,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:43,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:43,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:43,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:43,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:43,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:43,685 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:43,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:43,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:43,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:43,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:43,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:43,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:43,741 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:43,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:43,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:43,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:43,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:43,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:43,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:43,799 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:43,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:43,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:43,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:43,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:43,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:43,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:43,859 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:43,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:43,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:43,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:43,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:43,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:43,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:43,917 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:43,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:43,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:43,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:43,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:43,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:43,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:43,975 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:43,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:43,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:44,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:44,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:44,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:44,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:44,042 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:44,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:44,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:44,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:44,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:44,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:44,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:44,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:44,100 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:44,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:44,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:44,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:44,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:44,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:44,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:44,157 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:44,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:44,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:44,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:44,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:44,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:44,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:44,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:44,213 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:44,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:44,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:44,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:44,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:44,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:44,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:44,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:44,269 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:44,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:44,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:44,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:44,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:44,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:44,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:44,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:44,325 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:44,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:44,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:44,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:44,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:44,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:44,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:44,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:44,381 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:44,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:44,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:44,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:44,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:44,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:44,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:44,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:44,439 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:44,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:44,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:44,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:44,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:44,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:44,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:44,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:44,502 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:44,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:44,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:44,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:44,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:44,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:44,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:44,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:44,579 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:44,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:44,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:44,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:44,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:44,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:44,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:44,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:44,636 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:44,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:44,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:44,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:44,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:44,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:44,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:44,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:44,698 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:44,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:44,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:44,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:44,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:44,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:44,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:44,756 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:44,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:44,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:44,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:44,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:44,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:44,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:44,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:44,815 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:44,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:44,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:44,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:44,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:44,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:44,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:44,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:44,873 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:44,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:44,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:44,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:44,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:44,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:44,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:44,931 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:44,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:44,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:44,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:44,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:44,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:44,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:44,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:44,989 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:44,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:44,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:44,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:45,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:45,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:45,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:45,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:45,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:45,050 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:45,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:45,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:45,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:45,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:45,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:45,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:45,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:45,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:45,107 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:45,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:45,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:45,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:45,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:45,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:45,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:45,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:45,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:45,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:45,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:45,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:45,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:45,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:45,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:45,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:45,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:45,235 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:45,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:45,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:45,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:45,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:45,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:45,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:45,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:45,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:45,291 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:45,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:45,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:45,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:45,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:45,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:45,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:45,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:45,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:45,347 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:45,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:45,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:45,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:45,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:45,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:45,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:45,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:45,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:45,402 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:45,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:45,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:45,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:45,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:45,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:45,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:45,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:45,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:45,459 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:45,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:45,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:45,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:45,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:45,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:45,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:45,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:45,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:45,519 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:45,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:45,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:45,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:45,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:45,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:45,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:45,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:45,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:45,579 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:45,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:45,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:45,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:45,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:45,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:45,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:45,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:45,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:45,636 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:45,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:45,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:45,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:45,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:45,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:45,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:45,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:45,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:45,693 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:45,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:45,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:45,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:45,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:45,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:45,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:45,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:45,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:45,751 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:45,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:45,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:45,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:45,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:45,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:45,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:45,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:45,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:45,810 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:45,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:45,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:45,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:45,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:45,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:45,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:45,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:45,873 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:45,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:45,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:45,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:45,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:45,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:45,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:45,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:45,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:45,944 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:45,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:45,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:45,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:45,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:45,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:46,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:46,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:46,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:46,017 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:46,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:46,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:46,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:46,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:46,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:46,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:46,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:46,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:46,086 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:46,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:46,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:46,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:46,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:46,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:46,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:46,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:46,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:46,157 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:46,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:46,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:46,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:46,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:46,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:46,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:46,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:46,224 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:46,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:46,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:46,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:46,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:46,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:46,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:46,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:46,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:46,293 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:46,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:46,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:46,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:46,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:46,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:46,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:46,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:46,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:46,374 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:46,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:46,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:46,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:46,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:46,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:46,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:46,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:46,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:46,443 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:46,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:46,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:46,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:46,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:46,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:46,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:46,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:46,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:46,509 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:46,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:46,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:46,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:46,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:46,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:46,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:46,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:46,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:46,573 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:46,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:46,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:46,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:46,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:46,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:46,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:46,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:46,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:46,648 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:46,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:46,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:46,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:46,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:46,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:46,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:46,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:46,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:46,727 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:46,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:46,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:46,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:46,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:46,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:46,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:46,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:46,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:46,786 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:46,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:46,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:46,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:46,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:46,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:46,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:46,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:46,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:46,846 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:46,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:46,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:46,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:46,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:46,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:46,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:46,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:46,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:46,944 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:46,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:46,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:46,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:46,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:46,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:47,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:47,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:47,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:47,005 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:47,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:47,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:47,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:47,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:47,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:47,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:47,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:47,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:47,076 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:47,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:47,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:47,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:47,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:47,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:47,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:47,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:47,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:47,142 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:47,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:47,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:47,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:47,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:47,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:47,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:47,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:47,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:47,202 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:47,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:47,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:47,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:47,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:47,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:47,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:47,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:47,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:47,261 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:47,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:47,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:47,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:47,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:47,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:47,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:47,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:47,320 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:47,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:47,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:47,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:47,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:47,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:47,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:47,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:47,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:47,386 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:47,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:47,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:47,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:47,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:47,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:47,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:47,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:47,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:47,460 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:47,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:47,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:47,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:47,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:47,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:47,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:47,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:47,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:47,529 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:47,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:47,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:47,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:47,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:47,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:47,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:47,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:47,589 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:47,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:47,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:47,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:47,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:47,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:47,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:47,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:47,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:47,657 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:47,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:47,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:47,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:47,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:47,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:47,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:47,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:47,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:47,723 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:47,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:47,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:47,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:47,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:47,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:47,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:47,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:47,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:47,791 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:47,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:47,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:47,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:47,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:47,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:47,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:47,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:47,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:47,864 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:47,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:47,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:47,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:47,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:47,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:47,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:47,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:47,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:47,919 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:47,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:47,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:47,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:47,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:47,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:47,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:47,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:47,995 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:47,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:47,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:47,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:48,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:48,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:48,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:48,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:48,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:48,056 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:48,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:48,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:48,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:48,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:48,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:48,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:48,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:48,124 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:48,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:48,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:48,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:48,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:48,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:48,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:48,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:48,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:48,204 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:48,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:48,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:48,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:48,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:48,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:48,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:48,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:48,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:48,276 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:48,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:48,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:48,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:48,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:48,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:48,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:48,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:48,344 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:48,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:48,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:48,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:48,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:48,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:48,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:48,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:48,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:48,413 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:48,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:48,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:48,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:48,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:48,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:48,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:48,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:48,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:48,482 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:48,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:48,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:48,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:48,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:48,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:48,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:48,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:48,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:48,552 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:48,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:48,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:48,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:48,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:48,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:48,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:48,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:48,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:48,620 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:48,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:48,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:48,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:48,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:48,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:48,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:48,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:48,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:48,690 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:48,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:48,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:48,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:48,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:48,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:48,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:48,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:48,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:48,756 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:48,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:48,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:48,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:48,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:48,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:48,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:48,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:48,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:48,832 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:48,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:48,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:48,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:48,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:48,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:48,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:48,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:48,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:48,901 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:48,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:48,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:48,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:48,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:48,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:48,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:48,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:48,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:48,964 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:48,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:48,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:48,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:48,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:48,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:49,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:49,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:49,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:49,030 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:49,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:49,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:49,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:49,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:49,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:49,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:49,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:49,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:49,088 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:49,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:49,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:49,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:49,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:49,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:49,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:49,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:49,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:49,155 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:49,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:49,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:49,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:49,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:49,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:49,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:49,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:49,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:49,219 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:49,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:49,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:49,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:49,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:49,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:49,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:49,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:49,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:49,276 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:49,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:49,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:49,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:49,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:49,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:49,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:49,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:49,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:49,334 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:49,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:49,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:49,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:49,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:49,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:49,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:49,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:49,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:49,392 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:49,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:49,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:49,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:49,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:49,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:49,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:49,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:49,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:49,450 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:49,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:49,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:49,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:49,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:49,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:49,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:49,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:49,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:49,510 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:49,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:49,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:49,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:49,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:49,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:49,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:49,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:49,568 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:49,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:49,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:49,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:49,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:49,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:49,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:49,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:49,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:49,626 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:49,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:49,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:49,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:49,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:49,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:49,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:49,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:49,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:49,685 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:49,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:49,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:49,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:49,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:49,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:49,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:49,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:49,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:49,743 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:49,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:49,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:49,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:49,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:49,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:49,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:49,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:49,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:49,801 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:49,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:49,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:49,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:49,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:49,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:49,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:49,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:49,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:49,859 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:49,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:49,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:49,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:49,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:49,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:49,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:49,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:49,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:49,923 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:49,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:49,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:49,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:49,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:49,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:49,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:49,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:49,989 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:49,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:49,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:49,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:50,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:50,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:50,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:50,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:50,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:50,050 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:50,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:50,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:50,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:50,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:50,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:50,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:50,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:50,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:50,110 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:50,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:50,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:50,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:50,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:50,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:50,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:50,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:50,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:50,178 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:50,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:50,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:50,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:50,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:50,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:50,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:50,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:50,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:50,239 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:50,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:50,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:50,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:50,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:50,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:50,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:50,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:50,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:50,307 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:50,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:50,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:50,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:50,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:50,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:50,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:50,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:50,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:50,377 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:50,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:50,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:50,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:50,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:50,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:50,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:50,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:50,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:50,445 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:50,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:50,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:50,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:50,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:50,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:50,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:50,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:50,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:50,511 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:50,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:50,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:50,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:50,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:50,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:50,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:50,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:50,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:50,576 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:50,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:50,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:50,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:50,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:50,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:50,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:50,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:50,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:50,633 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:50,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:50,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:50,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:50,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:50,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:50,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:50,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:50,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:50,692 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:50,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:50,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:50,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:50,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:50,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:50,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:50,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:50,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:50,751 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:50,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:50,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:50,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:50,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:50,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:50,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:50,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:50,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:50,813 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:50,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:50,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:50,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:50,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:50,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:50,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:50,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:50,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:50,873 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:50,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:50,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:50,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:50,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:50,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:50,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:50,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:50,936 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:50,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:50,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:50,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:50,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:50,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:50,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:50,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:50,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:50,991 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:50,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:50,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:50,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:51,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:51,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:51,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:51,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:51,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:51,060 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:51,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:51,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:51,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:51,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:51,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:51,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:51,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:51,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:51,119 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:51,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:51,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:51,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:51,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:51,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:51,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:51,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:51,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:51,172 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:51,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:51,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:51,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:51,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:51,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:51,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:51,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:51,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:51,257 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:51,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:51,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:51,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:51,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:51,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:51,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:51,320 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:51,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:51,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:51,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:51,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:51,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:51,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:51,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:51,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:51,387 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:51,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:51,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:51,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:51,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:51,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:51,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:51,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:51,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:51,447 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:51,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:51,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:51,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:51,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:51,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:51,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:51,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:51,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:51,505 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:51,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:51,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:51,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:51,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:51,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:51,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:51,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:51,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:51,562 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:51,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:51,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:51,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:51,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:51,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:51,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:51,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:51,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:51,622 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:51,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:51,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:51,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:51,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:51,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:51,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:51,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:51,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:51,681 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:51,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:51,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:51,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:51,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:51,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:51,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:51,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:51,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:51,739 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:51,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:51,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:51,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:51,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:51,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:51,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:51,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:51,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:51,797 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:51,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:51,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:51,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:51,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:51,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:51,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:51,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:51,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:51,857 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:51,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:51,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:51,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:51,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:51,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:51,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:51,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:51,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:51,915 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:51,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:51,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:51,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:51,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:51,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:51,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:51,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:51,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:51,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:51,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:51,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:51,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:52,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:52,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:52,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:52,038 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:52,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:52,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:52,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:52,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:52,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:52,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:52,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:52,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:52,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:52,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:52,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:52,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:52,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:52,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:52,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:52,159 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:52,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:52,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:52,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:52,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:52,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:52,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:52,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:52,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:52,218 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:52,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:52,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:52,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:52,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:52,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:52,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:52,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:52,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:52,277 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:52,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:52,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:52,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:52,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:52,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:52,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:52,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:52,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:52,335 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:52,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:52,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:52,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:52,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:52,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:52,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:52,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:52,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:52,394 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:52,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:52,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:52,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:52,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:52,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:52,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:52,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:52,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:52,453 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:52,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:52,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:52,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:52,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:52,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:52,507 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:52,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:52,511 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:52,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:52,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:52,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:52,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:52,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:52,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:52,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:52,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:52,580 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:52,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:52,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:52,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:52,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:52,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:52,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:52,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:52,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:52,641 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:52,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:52,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:52,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:52,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:52,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:52,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:52,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:52,692 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:52,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:52,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:52,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:52,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:52,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:52,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:52,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:52,764 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:52,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:52,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:52,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:52,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:52,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:52,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:52,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:52,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:52,819 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:52,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:52,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:52,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:52,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:52,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:52,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:52,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:52,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:52,888 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:52,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:52,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:52,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:52,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:52,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:52,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:52,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:52,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:52,950 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:52,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:52,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:52,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:52,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:52,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:53,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:53,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:53,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:53,011 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:53,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:53,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:53,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:53,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:53,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:53,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:53,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:53,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:53,076 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:53,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:53,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:53,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:53,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:53,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:53,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:53,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:53,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:53,135 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:53,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:53,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:53,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:53,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:53,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:53,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:53,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:53,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:53,222 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:53,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:53,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:53,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:53,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:53,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:53,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:53,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:53,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:53,313 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:53,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:53,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:53,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:53,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:53,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:53,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:53,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:53,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:53,390 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:53,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:53,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:53,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:53,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:53,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:53,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:53,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:53,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:53,463 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:53,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:53,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:53,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:53,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:53,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:53,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:53,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:53,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:53,523 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:53,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:53,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:53,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:53,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:53,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:53,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:53,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:53,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:53,582 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:53,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:53,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:53,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:53,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:53,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:53,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:53,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:53,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:53,641 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:53,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:53,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:53,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:53,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:53,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:53,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:53,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:53,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:53,700 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:53,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:53,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:53,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:53,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:53,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:53,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:53,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:53,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:53,760 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:53,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:53,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:53,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:53,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:53,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:53,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:53,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:53,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:53,827 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:53,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:53,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:53,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:53,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:53,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:53,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:53,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:53,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:53,899 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:53,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:53,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:53,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:53,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:53,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:53,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:53,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:53,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:53,970 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:53,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:53,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:53,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:53,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:53,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:54,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:54,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:54,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:54,044 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:54,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:54,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:54,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:54,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:54,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:54,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:54,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:54,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:54,113 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:54,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:54,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:54,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:54,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:54,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:54,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:54,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:54,182 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:54,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:54,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:54,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:54,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:54,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:54,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:54,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:54,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:54,251 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:54,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:54,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:54,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:54,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:54,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:54,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:54,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:54,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:54,325 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:54,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:54,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:54,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:54,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:54,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:54,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:54,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:54,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:54,398 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:54,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:54,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:54,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:54,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:54,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:54,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:54,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:54,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:54,466 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:54,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:54,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:54,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:54,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:54,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:54,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:54,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:54,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:54,534 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:54,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:54,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:54,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:54,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:54,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:54,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:54,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:54,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:54,603 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:54,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:54,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:54,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:54,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:54,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:54,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:54,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:54,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:54,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:54,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:54,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:54,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:54,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:54,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:54,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:54,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:54,748 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:54,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:54,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:54,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:54,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:54,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:54,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:54,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:54,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:54,821 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:54,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:54,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:54,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:54,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:54,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:54,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:54,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:54,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:54,911 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:54,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:54,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:54,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:54,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:54,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:54,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:54,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:54,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:54,984 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:54,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:54,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:54,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:55,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:55,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:55,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:55,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:55,043 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:55,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:55,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:55,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:55,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:55,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:55,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:55,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:55,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:55,094 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:55,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:55,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:55,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:55,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:55,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:55,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:55,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:55,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:55,173 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:55,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:55,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:55,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:55,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:55,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:55,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:55,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:55,243 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:55,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:55,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:55,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:55,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:55,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:55,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:55,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:55,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:55,320 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:55,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:55,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:55,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:55,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:55,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:55,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:55,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:55,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:55,389 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:55,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:55,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:55,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:55,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:55,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:55,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:55,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:55,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:55,460 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:55,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:55,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:55,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:55,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:55,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:55,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:55,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:55,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:55,531 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:55,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:55,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:55,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:55,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:55,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:55,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:55,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:55,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:55,591 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:55,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:55,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:55,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:55,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:55,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:55,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:55,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:55,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:55,656 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:55,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:55,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:55,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:55,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:55,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:55,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:55,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:55,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:55,728 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:55,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:55,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:55,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:55,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:55,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:55,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:55,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:55,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:55,788 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:55,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:55,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:55,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:55,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:55,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:55,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:55,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:55,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:55,850 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:55,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:55,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:55,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:55,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:55,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:55,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:55,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:55,909 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:55,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:55,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:55,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:55,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:55,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:55,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:55,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:55,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:55,961 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:55,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:55,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:55,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:55,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:55,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:56,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:56,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:56,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:56,014 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:56,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:56,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:56,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:56,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:56,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:56,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:56,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:56,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:56,065 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:56,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:56,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:56,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:56,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:56,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:56,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:56,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:56,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:56,144 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:56,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:56,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:56,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:56,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:56,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:56,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:56,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:56,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:56,197 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:56,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:56,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:56,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:56,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:56,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:56,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:56,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:56,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:56,277 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:56,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:56,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:56,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:56,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:56,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:56,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:56,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:56,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:56,350 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:56,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:56,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:56,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:56,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:56,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:56,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:56,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:56,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:56,424 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:56,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:56,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:56,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:56,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:56,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:56,497 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:56,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:56,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:56,502 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:56,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:56,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:56,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:56,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:56,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:56,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:56,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:56,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:56,572 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:56,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:56,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:56,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:56,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:56,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:56,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:56,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:56,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:56,642 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:56,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:56,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:56,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:56,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:56,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:56,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:56,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:56,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:56,713 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:56,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:56,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:56,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:56,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:56,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:56,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:56,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:56,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:56,783 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:56,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:56,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:56,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:56,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:56,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:56,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:56,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:56,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:56,853 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:56,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:56,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:56,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:56,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:56,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:56,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:56,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:56,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:56,924 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:56,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:56,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:56,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:56,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:56,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:56,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:56,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:56,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:56,997 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:56,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:56,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:56,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:57,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:57,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:57,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:57,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:57,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:57,063 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:57,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:57,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:57,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:57,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:57,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:57,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:57,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:57,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:57,128 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:57,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:57,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:57,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:57,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:57,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:57,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:57,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:57,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:57,207 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:57,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:57,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:57,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:57,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:57,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:57,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:57,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:57,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:57,282 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:57,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:57,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:57,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:57,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:57,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:57,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:57,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:57,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:57,352 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:57,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:57,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:57,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:57,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:57,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:57,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:57,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:57,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:57,423 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:57,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:57,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:57,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:57,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:57,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:57,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:57,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:57,498 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:57,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:57,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:57,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:57,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:57,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:57,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:57,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:57,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:57,569 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:57,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:57,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:57,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:57,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:57,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:57,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:57,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:57,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:57,641 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:57,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:57,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:57,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:57,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:57,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:57,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:57,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:57,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:57,711 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:57,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:57,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:57,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:57,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:57,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:57,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:57,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:57,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:57,781 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:57,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:57,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:57,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:57,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:57,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:57,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:57,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:57,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:57,842 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:57,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:57,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:57,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:57,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:57,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:57,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:57,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:57,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:57,918 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:57,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:57,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:57,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:57,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:57,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:57,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:57,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:57,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:57,982 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:57,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:57,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:57,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:58,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:58,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:58,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:58,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:58,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:58,052 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:58,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:58,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:58,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:58,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:58,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:58,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:58,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:58,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:58,123 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:58,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:58,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:58,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:58,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:58,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:58,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:58,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:58,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:58,193 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:58,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:58,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:58,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:58,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:58,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:58,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:58,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:58,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:58,265 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:58,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:58,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:58,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:58,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:58,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:58,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:58,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:58,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:58,337 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:58,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:58,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:58,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:58,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:58,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:58,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:58,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:58,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:58,409 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:58,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:58,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:58,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:58,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:58,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:58,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:58,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:58,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:58,479 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:58,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:58,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:58,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:58,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:58,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:58,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:58,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:58,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:58,550 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:58,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:58,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:58,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:58,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:58,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:58,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:58,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:58,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:58,620 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:58,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:58,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:58,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:58,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:58,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:58,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:58,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:58,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:58,691 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:58,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:58,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:58,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:58,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:58,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:58,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:58,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:58,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:58,762 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:58,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:58,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:58,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:58,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:58,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:58,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:58,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:58,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:58,842 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:58,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:58,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:58,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:58,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:58,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:58,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:58,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:58,907 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:58,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:58,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:58,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:58,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:58,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:58,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:58,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:58,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:58,976 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:58,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:58,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:58,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:58,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:58,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:59,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:59,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:59,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:59,037 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:59,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:59,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:59,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:59,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:59,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:59,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:59,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:59,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:59,097 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:59,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:59,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:59,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:59,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:59,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:59,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:59,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:59,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:59,159 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:59,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:59,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:59,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:59,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:59,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:59,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:59,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:59,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:59,247 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:59,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:59,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:59,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:59,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:59,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:59,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:59,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:59,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:59,317 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:59,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:59,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:59,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:59,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:59,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:59,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:59,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:59,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:59,391 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:59,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:59,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:59,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:59,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:59,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:59,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:59,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:59,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:59,449 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:59,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:59,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:59,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:59,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:59,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:59,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:59,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:59,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:59,508 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:59,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:59,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:59,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:59,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:59,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:59,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:59,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:59,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:59,568 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:59,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:59,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:59,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:59,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:59,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:59,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:59,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:59,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:59,627 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:59,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:59,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:59,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:59,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:59,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:59,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:59,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:59,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:59,688 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:59,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:59,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:59,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:59,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:59,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:59,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:59,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:59,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:59,746 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:59,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:59,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:59,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:59,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:59,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:59,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:59,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:59,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:59,816 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:59,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:59,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:59,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:59,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:59,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:59,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:59,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:59,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:59,881 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:59,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:59,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:59,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:59,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:59,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:59,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:59,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:59,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:59,940 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:59,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:59,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:59,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:59,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:43:59,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:43:59,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:43:59,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:59,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:43:59,995 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:43:59,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:43:59,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:59,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:00,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:00,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:00,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:00,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:00,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:00,055 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:00,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:00,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:00,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:00,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:00,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:00,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:00,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:00,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:00,124 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:00,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:00,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:00,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:00,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:00,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:00,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:00,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:00,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:00,179 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:00,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:00,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:00,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:00,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:00,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:00,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:00,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:00,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:00,266 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:00,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:00,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:00,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:00,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:00,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:00,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:00,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:00,324 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:00,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:00,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:00,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:00,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:00,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:00,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:00,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:00,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:00,386 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:00,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:00,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:00,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:00,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:00,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:00,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:00,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:00,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:00,453 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:00,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:00,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:00,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:00,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:00,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:00,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:00,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:00,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:00,539 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:00,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:00,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:00,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:00,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:00,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:00,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:00,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:00,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:00,600 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:00,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:00,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:00,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:00,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:00,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:00,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:00,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:00,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:00,665 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:00,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:00,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:00,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:00,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:00,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:00,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:00,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:00,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:00,727 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:00,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:00,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:00,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:00,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:00,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:00,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:00,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:00,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:00,787 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:00,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:00,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:00,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:00,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:00,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:00,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:00,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:00,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:00,845 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:00,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:00,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:00,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:00,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:00,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:00,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:00,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:00,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:00,905 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:00,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:00,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:00,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:00,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:00,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:00,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:00,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:00,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:00,964 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:00,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:00,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:00,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:00,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:00,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:01,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:01,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:01,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:01,024 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:01,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:01,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:01,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:01,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:01,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:01,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:01,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:01,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:01,086 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:01,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:01,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:01,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:01,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:01,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:01,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:01,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:01,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:01,147 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:01,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:01,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:01,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:01,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:01,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:01,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:01,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:01,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:01,207 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:01,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:01,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:01,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:01,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:01,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:01,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:01,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:01,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:01,269 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:01,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:01,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:01,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:01,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:01,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:01,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:01,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:01,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:01,331 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:01,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:01,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:01,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:01,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:01,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:01,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:01,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:01,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:01,393 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:01,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:01,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:01,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:01,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:01,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:01,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:01,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:01,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:01,455 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:01,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:01,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:01,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:01,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:01,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:01,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:01,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:01,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:01,518 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:01,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:01,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:01,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:01,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:01,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:01,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:01,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:01,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:01,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:01,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:01,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:01,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:01,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:01,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:01,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:01,633 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:01,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:01,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:01,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:01,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:01,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:01,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:01,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:01,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:01,698 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:01,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:01,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:01,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:01,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:01,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:01,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:01,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:01,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:01,778 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:01,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:01,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:01,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:01,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:01,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:01,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:01,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:01,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:01,847 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:01,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:01,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:01,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:01,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:01,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:01,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:01,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:01,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:01,914 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:01,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:01,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:01,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:01,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:01,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:01,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:01,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:01,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:01,981 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:01,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:01,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:01,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:02,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:02,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:02,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:02,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:02,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:02,049 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:02,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:02,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:02,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:02,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:02,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:02,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:02,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:02,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:02,116 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:02,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:02,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:02,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:02,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:02,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:02,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:02,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:02,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:02,185 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:02,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:02,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:02,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:02,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:02,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:02,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:02,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:02,253 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:02,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:02,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:02,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:02,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:02,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:02,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:02,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:02,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:02,320 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:02,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:02,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:02,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:02,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:02,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:02,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:02,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:02,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:02,387 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:02,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:02,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:02,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:02,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:02,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:02,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:02,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:02,457 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:02,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:02,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:02,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:02,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:02,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:02,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:02,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:02,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:02,526 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:02,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:02,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:02,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:02,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:02,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:02,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:02,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:02,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:02,595 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:02,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:02,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:02,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:02,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:02,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:02,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:02,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:02,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:02,663 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:02,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:02,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:02,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:02,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:02,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:02,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:02,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:02,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:02,731 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:02,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:02,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:02,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:02,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:02,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:02,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:02,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:02,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:02,799 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:02,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:02,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:02,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:02,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:02,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:02,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:02,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:02,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:02,866 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:02,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:02,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:02,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:02,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:02,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:02,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:02,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:02,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:02,933 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:02,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:02,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:02,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:02,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:02,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:02,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:02,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:03,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:03,000 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:03,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:03,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:03,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:03,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:03,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:03,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:03,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:03,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:03,070 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:03,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:03,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:03,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:03,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:03,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:03,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:03,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:03,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:03,142 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:03,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:03,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:03,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:03,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:03,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:03,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:03,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:03,193 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:03,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:03,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:03,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:03,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:03,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:03,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:03,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:03,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:03,271 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:03,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:03,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:03,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:03,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:03,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:03,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:03,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:03,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:03,351 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:03,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:03,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:03,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:03,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:03,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:03,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:03,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:03,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:03,411 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:03,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:03,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:03,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:03,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:03,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:03,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:03,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:03,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:03,476 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:03,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:03,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:03,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:03,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:03,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:03,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:03,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:03,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:03,534 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:03,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:03,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:03,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:03,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:03,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:03,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:03,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:03,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:03,590 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:03,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:03,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:03,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:03,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:03,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:03,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:03,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:03,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:03,674 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:03,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:03,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:03,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:03,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:03,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:03,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:03,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:03,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:03,743 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:03,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:03,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:03,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:03,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:03,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:03,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:03,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:03,823 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:03,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:03,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:03,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:03,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:03,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:03,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:03,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:03,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:03,898 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:03,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:03,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:03,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:03,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:03,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:03,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:03,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:03,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:03,970 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:03,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:03,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:03,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:03,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:03,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:04,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:04,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:04,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:04,045 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:04,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:04,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:04,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:04,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:04,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:04,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:04,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:04,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:04,118 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:04,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:04,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:04,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:04,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:04,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:04,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:04,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:04,190 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:04,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:04,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:04,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:04,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:04,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:04,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:04,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:04,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:04,262 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:04,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:04,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:04,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:04,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:04,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:04,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:04,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:04,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:04,317 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:04,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:04,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:04,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:04,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:04,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:04,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:04,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:04,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:04,381 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:04,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:04,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:04,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:04,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:04,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:04,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:04,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:04,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:04,465 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:04,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:04,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:04,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:04,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:04,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:04,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:04,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:04,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:04,527 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:04,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:04,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:04,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:04,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:04,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:04,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:04,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:04,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:04,578 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:04,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:04,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:04,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:04,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:04,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:04,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:04,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:04,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:04,649 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:04,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:04,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:04,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:04,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:04,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:04,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:04,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:04,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:04,704 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:04,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:04,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:04,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:04,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:04,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:04,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:04,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:04,756 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:04,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:04,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:04,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:04,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:04,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:04,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:04,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:04,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:04,837 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:04,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:04,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:04,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:04,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:04,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:04,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:04,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:04,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:04,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:04,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:04,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:04,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:04,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:04,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:04,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:04,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:04,969 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:04,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:04,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:04,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:04,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:04,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:05,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:05,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:05,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:05,033 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:05,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:05,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:05,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:05,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:05,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:05,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:05,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:05,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:05,095 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:05,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:05,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:05,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:05,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:05,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:05,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:05,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:05,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:05,163 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:05,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:05,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:05,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:05,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:05,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:05,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:05,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:05,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:05,218 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:05,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:05,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:05,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:05,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:05,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:05,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:05,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:05,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:05,289 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:05,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:05,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:05,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:05,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:05,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:05,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:05,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:05,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:05,359 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:05,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:05,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:05,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:05,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:05,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:05,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:05,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:05,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:05,427 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:05,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:05,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:05,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:05,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:05,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:05,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:05,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:05,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:05,501 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:05,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:05,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:05,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:05,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:05,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:05,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:05,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:05,567 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:05,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:05,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:05,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:05,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:05,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:05,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:05,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:05,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:05,638 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:05,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:05,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:05,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:05,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:05,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:05,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:05,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:05,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:05,715 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:05,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:05,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:05,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:05,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:05,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:05,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:05,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:05,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:05,766 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:05,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:05,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:05,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:05,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:05,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:05,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:05,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:05,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:05,822 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:05,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:05,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:05,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:05,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:05,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:05,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:05,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:05,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:05,899 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:05,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:05,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:05,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:05,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:05,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:05,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:05,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:05,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:05,961 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:05,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:05,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:05,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:05,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:05,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:06,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:06,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:06,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:06,023 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:06,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:06,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:06,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:06,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:06,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:06,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:06,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:06,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:06,087 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:06,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:06,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:06,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:06,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:06,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:06,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:06,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:06,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:06,172 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:06,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:06,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:06,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:06,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:06,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:06,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:06,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:06,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:06,229 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:06,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:06,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:06,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:06,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:06,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:06,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:06,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:06,282 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:06,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:06,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:06,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:06,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:06,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:06,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:06,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:06,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:06,333 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:06,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:06,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:06,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:06,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:06,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:06,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:06,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:06,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:06,406 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:06,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:06,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:06,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:06,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:06,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:06,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:06,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:06,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:06,470 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:06,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:06,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:06,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:06,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:06,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:06,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:06,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:06,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:06,523 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:06,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:06,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:06,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:06,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:06,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:06,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:06,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:06,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:06,575 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:06,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:06,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:06,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:06,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:06,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:06,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:06,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:06,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:06,649 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:06,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:06,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:06,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:06,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:06,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:06,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:06,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:06,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:06,715 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:06,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:06,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:06,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:06,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:06,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:06,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:06,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:06,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:06,767 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:06,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:06,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:06,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:06,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:06,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:06,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:06,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:06,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:06,823 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:06,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:06,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:06,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:06,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:06,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:06,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:06,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:06,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:06,907 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:06,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:06,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:06,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:06,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:06,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:06,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:06,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:06,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:06,988 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:06,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:06,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:06,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:07,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:07,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:07,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:07,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:07,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:07,051 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:07,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:07,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:07,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:07,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:07,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:07,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:07,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:07,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:07,115 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:07,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:07,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:07,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:07,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:07,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:07,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:07,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:07,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:07,169 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:07,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:07,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:07,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:07,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:07,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:07,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:07,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:07,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:07,243 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:07,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:07,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:07,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:07,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:07,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:07,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:07,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:07,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:07,309 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:07,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:07,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:07,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:07,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:07,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:07,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:07,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:07,364 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:07,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:07,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:07,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:07,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:07,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:07,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:07,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:07,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:07,416 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:07,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:07,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:07,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:07,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:07,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:07,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:07,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:07,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:07,471 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:07,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:07,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:07,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:07,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:07,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:07,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:07,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:07,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:07,535 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:07,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:07,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:07,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:07,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:07,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:07,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:07,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:07,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:07,615 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:07,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:07,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:07,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:07,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:07,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:07,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:07,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:07,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:07,682 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:07,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:07,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:07,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:07,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:07,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:07,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:07,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:07,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:07,747 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:07,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:07,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:07,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:07,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:07,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:07,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:07,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:07,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:07,810 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:07,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:07,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:07,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:07,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:07,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:07,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:07,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:07,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:07,871 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:07,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:07,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:07,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:07,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:07,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:07,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:07,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:07,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:07,932 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:07,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:07,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:07,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:07,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:07,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:07,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:07,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:07,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:07,995 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:07,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:07,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:07,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:08,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:08,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:08,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:08,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:08,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:08,056 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:08,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:08,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:08,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:08,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:08,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:08,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:08,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:08,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:08,117 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:08,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:08,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:08,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:08,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:08,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:08,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:08,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:08,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:08,186 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:08,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:08,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:08,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:08,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:08,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:08,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:08,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:08,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:08,238 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:08,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:08,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:08,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:08,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:08,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:08,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:08,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:08,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:08,293 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:08,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:08,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:08,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:08,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:08,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:08,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:08,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:08,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:08,344 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:08,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:08,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:08,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:08,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:08,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:08,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:08,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:08,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:08,397 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:08,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:08,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:08,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:08,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:08,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:08,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:08,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:08,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:08,449 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:08,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:08,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:08,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:08,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:08,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:08,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:08,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:08,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:08,505 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:08,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:08,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:08,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:08,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:08,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:08,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:08,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:08,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:08,588 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:08,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:08,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:08,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:08,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:08,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:08,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:08,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:08,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:08,649 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:08,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:08,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:08,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:08,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:08,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:08,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:08,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:08,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:08,716 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:08,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:08,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:08,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:08,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:08,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:08,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:08,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:08,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:08,780 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:08,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:08,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:08,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:08,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:08,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:08,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:08,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:08,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:08,833 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:08,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:08,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:08,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:08,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:08,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:08,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:08,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:08,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:08,884 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:08,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:08,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:08,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:08,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:08,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:08,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:08,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:08,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:08,939 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:08,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:08,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:08,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:08,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:08,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:08,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:08,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:08,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:08,991 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:08,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:08,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:08,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:09,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:09,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:09,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:09,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:09,044 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:09,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:09,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:09,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:09,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:09,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:09,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:09,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:09,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:09,097 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:09,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:09,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:09,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:09,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:09,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:09,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:09,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:09,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:09,150 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:09,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:09,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:09,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:09,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:09,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:09,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:09,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:09,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:09,203 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:09,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:09,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:09,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:09,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:09,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:09,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:09,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:09,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:09,260 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:09,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:09,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:09,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:09,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:09,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:09,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:09,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:09,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:09,320 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:09,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:09,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:09,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:09,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:09,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:09,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:09,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:09,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:09,372 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:09,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:09,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:09,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:09,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:09,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:09,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:09,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:09,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:09,423 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:09,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:09,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:09,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:09,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:09,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:09,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:09,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:09,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:09,475 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:09,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:09,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:09,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:09,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:09,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:09,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:09,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:09,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:09,542 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:09,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:09,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:09,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:09,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:09,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:09,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:09,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:09,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:09,617 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:09,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:09,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:09,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:09,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:09,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:09,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:09,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:09,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:09,687 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:09,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:09,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:09,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:09,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:09,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:09,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:09,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:09,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:09,757 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:09,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:09,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:09,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:09,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:09,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:09,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:09,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:09,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:09,816 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:09,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:09,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:09,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:09,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:09,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:09,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:09,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:09,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:09,868 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:09,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:09,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:09,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:09,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:09,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:09,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:09,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:09,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:09,920 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:09,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:09,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:09,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:09,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:09,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:09,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:09,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:09,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:09,980 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:09,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:09,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:09,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:10,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:10,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:10,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:10,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:10,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:10,033 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:10,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:10,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:10,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:10,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:10,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:10,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:10,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:10,086 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:10,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:10,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:10,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:10,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:10,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:10,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:10,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:10,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:10,140 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:10,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:10,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:10,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:10,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:10,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:10,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:10,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:10,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:10,193 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:10,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:10,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:10,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:10,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:10,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:10,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:10,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:10,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:10,246 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:10,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:10,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:10,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:10,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:10,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:10,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:10,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:10,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:10,298 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:10,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:10,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:10,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:10,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:10,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:10,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:10,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:10,354 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:10,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:10,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:10,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:10,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:10,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:10,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:10,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:10,428 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:10,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:10,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:10,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:10,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:10,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:10,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:10,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:10,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:10,507 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:10,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:10,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:10,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:10,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:10,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:10,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:10,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:10,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:10,576 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:10,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:10,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:10,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:10,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:10,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:10,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:10,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:10,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:10,645 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:10,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:10,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:10,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:10,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:10,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:10,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:10,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:10,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:10,712 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:10,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:10,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:10,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:10,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:10,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:10,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:10,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:10,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:10,779 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:10,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:10,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:10,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:10,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:10,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:10,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:10,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:10,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:10,846 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:10,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:10,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:10,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:10,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:10,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:10,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:10,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:10,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:10,913 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:10,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:10,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:10,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:10,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:10,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:10,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:10,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:10,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:10,967 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:10,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:10,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:10,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:10,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:10,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:11,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:11,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:11,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:11,019 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:11,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:11,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:11,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:11,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:11,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:11,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:11,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:11,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:11,073 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:11,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:11,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:11,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:11,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:11,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:11,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:11,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:11,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:11,127 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:11,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:11,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:11,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:11,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:11,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:11,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:11,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:11,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:11,179 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:11,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:11,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:11,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:11,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:11,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:11,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:11,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:11,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:11,234 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:11,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:11,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:11,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:11,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:11,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:11,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:11,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:11,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:11,287 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:11,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:11,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:11,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:11,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:11,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:11,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:11,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:11,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:11,340 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:11,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:11,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:11,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:11,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:11,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:11,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:11,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:11,395 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:11,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:11,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:11,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:11,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:11,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:11,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:11,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:11,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:11,451 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:11,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:11,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:11,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:11,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:11,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:11,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:11,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:11,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:11,511 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:11,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:11,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:11,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:11,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:11,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:11,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:11,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:11,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:11,572 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:11,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:11,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:11,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:11,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:11,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:11,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:11,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:11,634 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:11,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:11,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:11,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:11,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:11,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:11,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:11,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:11,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:11,686 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:11,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:11,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:11,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:11,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:11,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:11,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:11,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:11,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:11,763 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:11,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:11,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:11,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:11,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:11,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:11,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:11,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:11,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:11,815 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:11,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:11,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:11,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:11,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:11,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:11,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:11,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:11,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:11,868 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:11,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:11,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:11,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:11,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:11,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:11,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:11,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:11,920 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:11,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:11,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:11,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:11,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:11,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:11,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:11,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:11,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:11,972 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:11,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:11,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:11,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:11,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:11,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:12,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:12,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:12,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:12,024 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:12,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:12,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:12,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:12,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:12,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:12,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:12,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:12,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:12,077 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:12,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:12,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:12,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:12,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:12,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:12,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:12,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:12,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:12,129 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:12,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:12,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:12,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:12,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:12,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:12,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:12,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:12,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:12,183 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:12,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:12,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:12,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:12,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:12,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:12,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:12,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:12,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:12,250 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:12,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:12,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:12,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:12,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:12,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:12,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:12,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:12,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:12,305 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:12,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:12,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:12,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:12,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:12,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:12,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:12,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:12,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:12,358 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:12,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:12,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:12,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:12,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:12,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:12,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:12,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:12,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:12,410 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:12,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:12,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:12,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:12,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:12,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:12,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:12,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:12,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:12,465 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:12,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:12,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:12,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:12,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:12,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:12,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:12,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:12,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:12,519 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:12,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:12,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:12,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:12,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:12,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:12,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:12,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:12,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:12,572 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:12,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:12,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:12,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:12,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:12,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:12,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:12,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:12,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:12,634 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:12,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:12,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:12,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:12,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:12,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:12,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:12,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:12,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:12,698 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:12,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:12,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:12,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:12,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:12,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:12,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:12,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:12,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:12,752 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:12,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:12,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:12,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:12,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:12,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:12,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:12,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:12,804 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:12,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:12,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:12,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:12,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:12,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:12,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:12,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:12,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:12,861 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:12,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:12,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:12,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:12,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:12,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:12,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:12,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:12,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:12,914 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:12,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:12,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:12,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:12,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:12,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:12,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:12,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:12,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:12,966 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:12,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:12,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:12,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:13,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:13,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:13,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:13,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:13,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:13,054 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:13,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:13,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:13,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:13,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:13,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:13,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:13,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:13,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:13,121 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:13,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:13,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:13,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:13,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:13,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:13,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:13,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:13,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:13,188 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:13,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:13,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:13,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:13,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:13,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:13,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:13,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:13,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:13,254 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:13,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:13,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:13,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:13,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:13,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:13,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:13,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:13,319 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:13,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:13,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:13,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:13,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:13,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:13,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:13,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:13,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:13,383 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:13,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:13,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:13,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:13,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:13,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:13,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:13,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:13,456 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:13,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:13,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:13,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:13,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:13,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:13,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:13,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:13,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:13,530 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:13,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:13,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:13,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:13,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:13,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:13,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:13,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:13,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:13,596 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:13,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:13,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:13,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:13,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:13,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:13,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:13,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:13,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:13,649 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:13,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:13,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:13,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:13,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:13,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:13,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:13,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:13,702 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:13,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:13,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:13,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:13,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:13,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:13,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:13,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:13,754 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:13,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:13,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:13,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:13,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:13,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:13,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:13,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:13,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:13,809 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:13,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:13,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:13,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:13,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:13,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:13,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:13,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:13,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:13,862 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:13,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:13,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:13,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:13,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:13,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:13,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:13,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:13,930 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:13,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:13,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:13,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:13,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:13,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:14,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:14,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:14,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:14,012 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:14,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:14,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:14,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:14,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:14,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:14,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:14,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:14,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:14,081 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:14,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:14,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:14,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:14,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:14,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:14,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:14,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:14,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:14,148 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:14,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:14,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:14,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:14,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:14,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:14,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:14,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:14,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:14,218 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:14,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:14,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:14,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:14,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:14,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:14,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:14,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:14,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:14,297 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:14,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:14,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:14,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:14,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:14,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:14,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:14,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:14,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:14,373 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:14,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:14,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:14,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:14,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:14,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:14,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:14,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:14,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:14,426 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:14,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:14,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:14,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:14,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:14,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:14,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:14,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:14,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:14,478 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:14,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:14,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:14,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:14,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:14,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:14,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:14,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:14,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:14,541 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:14,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:14,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:14,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:14,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:14,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:14,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:14,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:14,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:14,601 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:14,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:14,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:14,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:14,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:14,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:14,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:14,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:14,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:14,656 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:14,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:14,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:14,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:14,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:14,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:14,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:14,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:14,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:14,709 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:14,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:14,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:14,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:14,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:14,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:14,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:14,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:14,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:14,768 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:14,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:14,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:14,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:14,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:14,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:14,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:14,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:14,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:14,822 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:14,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:14,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:14,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:14,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:14,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:14,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:14,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:14,874 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:14,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:14,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:14,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:14,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:14,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:14,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:14,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:14,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:14,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:14,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:14,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:14,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:14,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:14,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:15,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:15,002 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:15,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:15,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:15,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:15,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:15,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:15,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:15,056 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:15,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:15,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:15,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:15,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:15,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:15,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:15,109 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:15,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:15,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:15,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:15,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:15,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:15,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:15,196 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:15,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:15,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:15,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:15,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:15,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:15,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:15,248 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:15,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:15,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:15,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:15,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:15,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:15,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:15,301 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:15,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:15,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:15,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:15,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:15,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:15,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:15,354 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:15,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:15,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:15,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:15,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:15,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:15,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:15,407 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:15,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:15,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:15,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:15,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:15,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:15,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:15,459 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:15,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:15,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:15,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:15,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:15,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:15,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:15,514 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:15,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:15,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:15,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:15,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:15,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:15,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:15,566 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:15,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:15,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:15,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:15,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:15,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:15,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:15,623 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:15,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:15,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:15,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:15,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:15,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:15,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:15,678 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:15,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:15,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:15,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:15,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:15,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:15,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:15,732 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:15,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:15,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:15,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:15,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:15,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:15,786 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:15,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:15,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:15,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:15,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:15,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:15,839 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:15,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:15,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:15,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:15,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:15,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:15,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:15,891 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:15,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:15,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:15,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:15,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:15,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:15,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:15,945 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:15,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:15,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:15,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:15,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:15,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:15,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:15,998 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:15,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:15,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:16,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:16,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:16,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:16,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:16,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:16,066 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:16,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:16,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:16,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:16,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:16,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:16,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:16,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:16,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:16,120 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:16,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:16,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:16,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:16,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:16,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:16,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:16,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:16,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:16,174 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:16,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:16,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:16,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:16,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:16,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:16,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:16,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:16,233 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:16,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:16,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:16,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:16,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:16,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:16,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:16,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:16,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:16,286 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:16,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:16,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:16,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:16,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:16,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:16,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:16,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:16,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:16,338 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:16,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:16,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:16,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:16,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:16,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:16,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:16,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:16,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:16,391 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:16,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:16,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:16,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:16,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:16,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:16,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:16,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:16,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:16,464 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:16,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:16,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:16,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:16,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:16,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:16,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:16,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:16,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:16,517 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:16,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:16,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:16,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:16,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:16,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:16,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:16,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:16,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:16,569 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:16,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:16,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:16,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:16,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:16,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:16,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:16,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:16,659 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:16,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:16,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:16,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:16,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:16,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:16,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:16,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:16,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:16,715 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:16,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:16,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:16,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:16,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:16,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:16,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:16,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:16,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:16,768 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:16,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:16,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:16,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:16,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:16,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:16,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:16,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:16,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:16,821 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:16,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:16,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:16,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:16,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:16,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:16,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:16,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:16,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:16,877 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:16,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:16,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:16,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:16,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:16,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:16,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:16,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:16,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:16,930 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:16,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:16,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:16,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:16,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:16,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:16,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:16,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:16,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:16,983 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:16,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:16,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:16,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:17,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:17,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:17,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:17,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:17,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:17,038 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:17,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:17,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:17,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:17,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:17,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:17,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:17,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:17,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:17,091 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:17,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:17,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:17,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:17,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:17,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:17,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:17,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:17,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:17,144 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:17,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:17,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:17,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:17,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:17,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:17,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:17,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:17,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:17,198 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:17,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:17,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:17,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:17,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:17,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:17,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:17,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:17,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:17,251 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:17,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:17,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:17,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:17,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:17,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:17,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:17,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:17,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:17,305 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:17,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:17,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:17,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:17,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:17,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:17,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:17,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:17,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:17,369 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:17,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:17,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:17,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:17,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:17,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:17,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:17,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:17,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:17,421 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:17,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:17,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:17,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:17,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:17,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:17,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:17,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:17,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:17,475 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:17,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:17,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:17,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:17,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:17,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:17,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:17,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:17,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:17,527 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:17,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:17,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:17,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:17,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:17,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:17,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:17,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:17,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:17,617 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:17,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:17,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:17,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:17,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:17,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:17,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:17,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:17,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:17,686 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:17,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:17,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:17,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:17,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:17,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:17,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:17,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:17,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:17,764 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:17,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:17,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:17,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:17,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:17,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:17,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:17,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:17,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:17,833 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:17,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:17,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:17,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:17,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:17,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:17,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:17,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:17,903 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:17,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:17,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:17,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:17,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:17,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:17,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:17,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:17,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:17,973 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:17,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:17,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:17,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:17,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:17,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:18,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:18,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:18,040 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:18,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:18,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:18,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:18,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:18,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:18,108 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:18,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:18,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:18,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:18,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:18,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:18,177 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:18,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:18,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:18,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:18,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:18,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:18,246 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:18,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:18,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:18,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:18,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:18,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:18,314 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:18,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:18,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:18,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:18,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:18,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:18,372 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:18,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:18,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:18,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:18,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:18,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:18,426 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:18,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:18,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:18,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:18,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:18,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:18,480 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:18,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:18,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:18,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:18,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:18,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:18,534 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:18,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:18,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:18,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:18,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:18,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:18,588 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:18,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:18,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:18,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:18,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:18,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:18,652 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:18,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:18,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:18,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:18,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:18,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:18,704 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:18,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:18,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:18,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:18,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:18,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:18,757 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:18,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:18,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:18,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:18,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:18,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:18,810 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:18,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:18,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:18,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:18,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:18,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:18,867 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:18,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:18,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:18,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:18,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:18,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:18,919 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:18,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:18,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:18,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:18,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:18,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:18,972 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:18,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:18,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:18,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:19,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:19,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:19,025 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:19,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:19,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:19,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:19,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:19,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:19,100 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:19,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:19,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:19,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:19,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:19,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:19,153 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:19,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:19,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:19,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:19,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:19,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:19,220 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:19,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:19,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:19,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:19,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:19,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:19,290 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:19,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:19,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:19,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:19,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:19,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:19,346 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:19,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:19,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:19,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:19,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:19,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:19,400 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:19,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:19,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:19,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:19,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:19,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:19,454 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:19,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:19,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:19,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:19,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:19,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:19,507 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:19,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:19,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:19,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:19,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:19,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:19,561 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:19,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:19,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:19,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:19,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:19,615 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:19,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:19,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:19,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:19,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:19,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:19,669 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:19,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:19,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:19,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:19,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:19,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:19,731 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:19,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:19,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:19,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:19,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:19,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:19,784 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:19,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:19,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:19,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:19,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:19,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:19,837 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:19,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:19,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:19,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:19,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:19,894 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:19,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:19,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:19,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:19,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:19,946 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:19,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:19,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:19,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:19,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:19,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:20,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:20,000 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:20,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:20,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:20,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:20,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:20,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:20,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:20,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:20,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:20,053 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:20,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:20,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:20,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:20,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:20,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:20,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:20,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:20,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:20,106 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:20,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:20,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:20,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:20,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:20,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:20,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:20,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:20,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:20,159 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:20,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:20,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:20,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:20,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:20,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:20,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:20,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:20,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:20,213 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:20,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:20,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:20,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:20,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:20,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:20,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:20,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:20,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:20,267 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:20,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:20,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:20,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:20,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:20,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:20,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:20,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:20,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:20,320 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:20,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:20,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:20,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:20,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:20,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:20,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:20,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:20,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:20,373 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:20,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:20,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:20,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:20,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:20,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:20,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:20,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:20,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:20,427 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:20,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:20,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:20,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:20,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:20,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:20,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:20,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:20,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:20,480 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:20,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:20,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:20,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:20,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:20,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:20,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:20,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:20,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:20,534 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:20,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:20,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:20,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:20,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:20,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:20,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:20,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:20,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:20,588 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:20,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:20,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:20,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:20,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:20,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:20,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:20,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:20,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:20,643 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:20,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:20,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:20,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:20,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:44:20,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:20,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:20,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:20,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:44:20,698 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:44:20,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:44:20,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:20,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:20,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2021-11-21 04:53:34,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:34,649 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:34,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:34,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:34,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:34,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:34,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:34,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:34,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:34,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:34,777 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:34,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:34,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:34,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:34,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:34,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:34,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:34,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:34,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:34,904 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:34,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:34,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:34,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:34,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:34,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:35,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:35,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:35,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:35,029 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:35,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:35,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:35,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:35,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:35,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:35,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:35,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:35,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:35,151 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:35,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:35,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:35,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:35,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:35,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:35,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:35,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:35,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:35,276 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:35,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:35,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:35,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:35,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:35,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:35,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:35,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:35,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:35,403 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:35,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:35,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:35,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:35,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:35,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:35,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:35,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:35,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:35,530 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:35,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:35,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:35,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:35,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:35,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:35,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:35,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:35,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:35,657 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:35,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:35,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:35,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:35,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:35,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:35,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:35,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:35,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:35,782 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:35,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:35,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:35,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:35,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:35,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:35,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:35,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:35,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:35,912 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:35,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:35,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:35,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:36,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:36,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:36,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:36,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:36,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:36,042 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:36,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:36,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:36,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:36,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:36,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:36,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:36,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:36,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:36,172 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:36,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:36,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:36,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:36,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:36,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:36,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:36,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:36,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:36,303 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:36,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:36,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:36,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:36,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:36,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:36,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:36,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:36,429 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:36,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:36,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:36,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:36,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:36,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:36,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:36,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:36,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:36,555 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:36,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:36,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:36,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:36,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:36,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:36,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:36,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:36,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:36,679 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:36,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:36,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:36,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:36,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:36,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:36,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:36,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:36,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:36,803 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:36,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:36,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:36,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:36,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:36,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:36,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:36,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:36,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:36,930 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:36,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:36,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:36,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:37,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:37,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:37,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:37,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:37,053 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:37,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:37,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:37,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:37,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:37,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:37,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:37,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:37,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:37,184 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:37,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:37,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:37,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:37,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:37,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:37,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:37,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:37,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:37,306 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:37,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:37,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:37,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:37,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:37,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:37,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:37,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:37,430 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:37,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:37,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:37,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:37,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:37,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:37,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:37,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:37,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:37,553 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:37,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:37,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:37,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:37,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:37,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:37,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:37,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:37,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:37,677 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:37,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:37,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:37,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:37,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:37,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:37,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:37,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:37,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:37,804 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:37,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:37,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:37,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:37,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:37,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:37,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:37,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:37,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:37,927 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:37,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:37,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:37,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:38,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:38,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:38,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:38,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:38,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:38,053 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:38,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:38,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:38,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:38,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:38,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:38,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:38,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:38,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:38,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:38,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:38,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:38,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:38,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:38,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:38,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:38,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:38,299 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:38,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:38,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:38,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:38,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:38,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:38,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:38,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:38,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:38,429 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:38,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:38,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:38,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:38,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:38,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:38,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:38,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:38,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:38,558 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:38,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:38,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:38,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:38,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:38,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:38,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:38,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:38,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:38,689 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:38,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:38,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:38,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:38,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:38,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:38,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:38,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:38,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:38,816 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:38,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:38,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:38,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:38,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:38,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:38,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:38,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:38,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:38,942 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:38,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:38,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:38,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:39,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:39,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:39,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:39,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:39,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:39,067 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:39,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:39,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:39,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:39,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:39,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:39,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:39,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:39,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:39,193 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:39,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:39,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:39,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:39,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:39,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:39,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:39,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:39,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:39,316 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:39,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:39,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:39,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:39,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:39,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:39,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:39,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:39,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:39,441 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:39,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:39,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:39,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:39,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:39,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:39,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:39,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:39,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:39,569 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:39,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:39,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:39,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:39,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:39,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:39,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:39,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:39,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:39,707 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:39,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:39,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:39,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:39,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:39,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:39,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:39,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:39,829 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:39,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:39,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:39,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:39,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:39,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:39,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:39,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:39,951 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:39,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:39,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:39,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:40,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:40,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:40,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:40,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:40,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:40,077 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:40,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:40,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:40,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:40,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:40,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:40,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:40,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:40,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:40,203 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:40,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:40,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:40,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:40,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:40,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:40,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:40,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:40,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:40,329 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:40,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:40,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:40,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:40,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:40,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:40,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:40,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:40,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:40,457 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:40,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:40,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:40,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:40,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:40,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:40,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:40,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:40,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:40,583 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:40,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:40,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:40,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:40,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:40,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:40,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:40,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:40,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:40,706 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:40,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:40,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:40,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:40,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:40,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:40,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:40,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:40,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:40,833 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:40,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:40,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:40,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:40,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:40,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:40,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:40,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:40,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:40,960 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:40,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:40,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:40,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:41,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:41,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:41,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:41,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:41,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:41,088 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:41,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:41,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:41,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:41,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:41,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:41,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:41,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:41,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:41,216 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:41,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:41,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:41,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:41,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:41,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:41,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:41,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:41,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:41,343 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:41,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:41,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:41,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:41,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:41,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:41,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:41,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:41,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:41,470 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:41,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:41,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:41,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:41,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:41,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:41,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:41,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:41,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:41,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:41,599 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:41,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:41,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:41,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:41,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:41,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:41,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:41,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:41,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:41,729 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:41,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:41,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:41,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:41,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:41,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:41,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:41,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:41,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:41,856 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:41,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:41,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:41,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:41,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:41,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:41,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:41,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:41,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:41,985 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:41,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:41,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:41,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:42,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:42,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:42,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:42,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:42,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:42,123 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:42,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:42,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:42,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:42,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:42,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:42,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:42,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:42,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:42,254 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:42,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:42,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:42,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:42,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:42,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:42,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:42,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:42,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:42,385 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:42,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:42,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:42,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:42,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:42,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:42,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:42,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:42,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:42,513 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:42,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:42,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:42,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:42,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:42,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:42,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:42,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:42,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:42,642 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:42,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:42,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:42,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:42,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:42,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:42,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:42,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:42,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:42,773 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:42,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:42,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:42,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:42,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:42,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:42,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:42,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:42,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:42,902 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:42,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:42,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:42,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:42,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:42,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:43,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:43,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:43,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:43,030 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:43,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:43,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:43,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:43,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:43,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:43,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:43,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:43,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:43,155 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:43,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:43,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:43,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:43,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:43,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:43,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:43,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:43,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:43,277 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:43,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:43,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:43,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:43,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:43,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:43,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:43,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:43,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:43,403 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:43,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:43,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:43,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:43,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:43,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:43,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:43,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:43,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:43,529 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:43,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:43,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:43,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:43,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:43,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:43,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:43,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:43,656 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:43,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:43,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:43,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:43,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:43,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:43,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:43,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:43,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:43,782 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:43,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:43,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:43,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:43,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:43,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:43,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:43,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:43,908 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:43,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:43,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:43,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:44,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:44,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:44,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:44,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:44,037 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:44,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:44,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:44,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:44,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:44,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:44,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:44,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:44,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:44,166 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:44,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:44,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:44,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:44,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:44,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:44,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:44,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:44,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:44,289 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:44,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:44,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:44,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:44,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:44,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:44,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:44,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:44,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:44,412 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:44,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:44,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:44,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:44,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:44,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:44,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:44,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:44,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:44,538 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:44,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:44,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:44,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:44,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:44,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:44,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:44,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:44,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:44,667 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:44,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:44,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:44,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:44,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:44,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:44,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:44,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:44,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:44,789 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:44,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:44,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:44,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:44,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:44,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:44,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:44,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:44,914 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:44,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:44,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:44,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:45,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:45,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:45,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:45,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:45,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:45,038 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:45,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:45,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:45,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:45,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:45,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:45,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:45,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:45,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:45,164 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:45,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:45,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:45,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:45,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:45,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:45,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:45,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:45,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:45,287 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:45,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:45,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:45,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:45,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:45,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:45,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:45,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:45,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:45,411 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:45,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:45,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:45,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:45,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:45,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:45,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:45,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:45,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:45,533 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:45,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:45,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:45,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:45,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:45,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:45,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:45,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:45,657 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:45,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:45,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:45,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:45,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:45,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:45,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:45,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:45,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:45,780 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:45,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:45,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:45,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:45,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:45,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:45,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:45,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:45,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:45,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:45,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:45,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:45,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:45,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:46,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:46,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:46,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:46,028 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:46,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:46,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:46,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:46,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:46,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:46,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:46,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:46,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:46,150 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:46,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:46,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:46,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:46,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:46,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:46,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:46,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:46,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:46,273 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:46,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:46,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:46,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:46,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:46,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:46,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:46,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:46,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:46,394 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:46,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:46,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:46,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:46,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:46,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:46,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:46,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:46,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:46,517 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:46,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:46,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:46,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:46,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:46,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:46,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:46,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:46,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:46,641 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:46,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:46,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:46,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:46,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:46,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:46,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:46,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:46,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:46,764 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:46,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:46,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:46,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:46,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:46,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:46,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:46,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:46,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:46,888 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:46,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:46,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:46,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:46,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:46,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:47,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:47,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:47,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:47,011 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:47,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:47,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:47,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:47,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:47,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:47,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:47,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:47,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:47,137 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:47,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:47,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:47,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:47,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:47,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:47,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:47,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:47,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:47,260 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:47,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:47,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:47,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:47,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:47,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:47,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:47,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:47,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:47,381 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:47,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:47,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:47,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:47,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:47,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:47,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:47,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:47,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:47,502 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:47,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:47,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:47,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:47,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:47,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:47,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:47,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:47,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:47,626 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:47,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:47,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:47,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:47,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:47,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:47,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:47,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:47,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:47,748 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:47,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:47,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:47,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:47,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:47,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:47,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:47,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:47,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:47,871 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:47,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:47,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:47,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:47,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:47,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:47,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:47,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:47,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:47,993 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:47,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:47,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:47,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:48,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:48,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:48,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:48,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:48,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:48,117 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:48,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:48,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:48,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:48,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:48,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:48,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:48,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:48,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:48,241 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:48,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:48,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:48,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:48,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:48,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:48,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:48,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:48,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:48,373 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:48,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:48,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:48,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:48,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:48,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:48,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:48,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:48,503 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:48,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:48,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:48,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:48,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:48,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:48,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:48,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:48,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:48,632 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:48,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:48,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:48,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:48,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:48,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:48,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:48,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:48,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:48,757 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:48,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:48,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:48,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:48,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:48,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:48,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:48,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:48,884 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:48,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:48,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:48,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:48,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:48,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:49,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:49,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:49,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:49,013 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:49,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:49,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:49,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:49,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:49,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:49,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:49,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:49,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:49,144 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:49,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:49,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:49,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:49,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:49,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:49,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:49,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:49,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:49,271 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:49,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:49,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:49,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:49,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:49,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:49,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:49,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:49,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:49,399 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:49,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:49,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:49,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:49,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:49,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:49,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:49,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:49,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:49,535 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:49,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:49,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:49,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:49,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:49,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:49,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:49,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:49,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:49,662 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:49,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:49,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:49,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:49,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:49,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:49,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:49,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:49,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:49,784 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:49,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:49,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:49,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:49,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:49,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:49,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:49,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:49,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:49,908 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:49,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:49,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:49,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:49,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:49,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:50,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:50,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:50,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:50,031 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:50,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:50,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:50,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:50,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:50,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:50,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:50,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:50,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:50,154 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:50,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:50,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:50,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:50,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:50,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:50,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:50,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:50,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:50,276 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:50,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:50,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:50,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:50,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:50,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:50,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:50,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:50,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:50,403 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:50,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:50,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:50,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:50,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:50,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:50,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:50,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:50,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:50,532 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:50,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:50,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:50,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:50,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:50,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:50,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:50,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:50,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:50,661 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:50,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:50,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:50,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:50,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:50,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:50,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:50,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:50,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:50,784 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:50,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:50,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:50,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:50,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:50,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:50,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:50,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:50,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:50,908 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:50,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:50,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:50,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:50,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:50,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:51,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:51,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:51,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:51,031 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:51,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:51,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:51,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:51,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:51,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:51,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:51,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:51,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:51,153 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:51,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:51,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:51,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:51,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:51,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:51,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:51,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:51,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:51,280 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:51,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:51,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:51,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:51,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:51,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:51,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:51,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:51,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:51,404 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:51,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:51,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:51,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:51,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:51,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:51,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:51,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:51,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:51,533 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:51,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:51,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:51,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:51,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:51,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:51,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:51,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:51,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:51,661 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:51,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:51,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:51,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:51,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:51,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:51,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:51,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:51,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:51,786 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:51,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:51,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:51,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:51,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:51,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:51,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:51,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:51,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:51,910 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:51,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:51,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:51,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:52,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:52,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:52,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:52,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:52,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:52,045 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:52,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:52,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:52,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:52,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:52,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:52,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:52,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:52,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:52,173 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:52,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:52,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:52,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:52,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:52,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:52,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:52,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:52,302 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:52,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:52,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:52,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:52,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:52,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:52,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:52,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:52,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:52,426 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:52,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:52,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:52,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:52,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:52,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:52,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:52,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:52,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:52,552 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:52,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:52,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:52,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:52,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:52,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:52,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:52,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:52,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:52,678 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:52,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:52,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:52,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:52,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:52,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:52,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:52,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:52,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:52,802 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:52,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:52,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:52,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:52,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:52,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:52,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:52,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:52,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:52,925 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:52,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:52,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:52,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:53,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:53,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:53,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:53,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:53,048 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:53,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:53,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:53,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:53,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:53,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:53,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:53,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:53,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:53,170 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:53,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:53,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:53,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:53,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:53,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:53,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:53,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:53,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:53,293 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:53,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:53,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:53,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:53,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:53,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:53,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:53,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:53,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:53,417 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:53,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:53,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:53,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:53,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:53,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:53,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:53,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:53,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:53,539 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:53,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:53,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:53,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:53,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:53,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:53,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:53,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:53,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:53,661 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:53,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:53,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:53,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:53,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:53,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:53,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:53,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:53,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:53,785 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:53,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:53,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:53,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:53,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:53,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:53,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:53,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:53,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:53,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:53,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:53,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:53,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:53,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:54,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:54,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:54,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:54,030 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:54,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:54,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:54,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:54,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:54,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:54,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:54,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:54,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:54,156 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:54,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:54,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:54,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:54,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:54,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:54,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:54,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:54,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:54,278 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:54,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:54,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:54,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:54,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:54,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:54,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:54,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:54,409 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:54,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:54,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:54,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:54,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:54,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:54,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:54,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:54,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:54,533 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:54,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:54,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:54,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:54,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:54,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:54,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:54,655 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:54,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:54,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:54,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:54,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:54,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:54,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:54,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:54,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:54,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:54,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:54,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:54,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:54,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:54,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:54,903 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:54,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:54,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:54,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:54,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:54,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:55,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:55,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:55,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:55,028 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:55,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:55,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:55,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:55,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:55,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:55,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:55,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:55,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:55,155 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:55,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:55,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:55,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:55,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:55,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:55,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:55,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:55,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:55,289 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:55,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:55,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:55,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:55,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:55,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:55,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:55,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:55,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:55,420 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:55,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:55,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:55,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:55,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:55,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:55,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:55,546 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:55,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:55,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:55,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:55,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:55,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:55,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:55,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:55,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:55,670 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:55,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:55,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:55,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:55,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:55,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:55,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:55,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:55,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:55,793 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:55,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:55,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:55,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:55,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:55,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:55,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:55,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:55,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:55,916 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:55,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:55,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:55,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:56,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:56,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:56,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:56,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:56,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:56,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:56,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:56,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:56,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:56,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:56,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:56,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:56,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:56,161 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:56,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:56,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:56,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:56,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:56,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:56,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:56,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:56,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:56,286 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:56,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:56,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:56,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:56,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:56,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:56,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:56,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:56,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:56,409 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:56,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:56,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:56,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:56,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:56,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:56,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:56,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:56,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:56,533 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:56,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:56,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:56,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:56,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:56,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:56,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:56,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:56,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:56,656 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:56,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:56,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:56,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:56,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:56,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:56,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:56,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:56,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:56,780 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:56,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:56,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:56,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:56,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:56,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:56,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:56,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:56,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:56,909 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:56,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:56,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:56,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:57,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:57,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:57,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:57,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:57,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:57,035 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:57,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:57,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:57,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:57,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:57,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:57,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:57,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:57,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:57,157 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:57,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:57,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:57,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:57,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:57,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:57,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:57,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:57,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:57,280 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:57,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:57,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:57,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:57,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:57,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:57,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:57,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:57,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:57,402 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:57,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:57,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:57,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:57,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:57,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:57,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:57,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:57,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:57,524 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:57,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:57,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:57,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:57,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:57,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:57,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:57,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:57,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:57,646 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:57,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:57,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:57,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:57,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:57,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:57,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:57,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:57,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:57,770 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:57,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:57,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:57,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:57,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:57,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:57,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:57,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:57,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:57,893 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:57,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:57,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:57,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:57,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:57,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:58,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:58,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:58,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:58,017 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:58,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:58,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:58,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:58,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:58,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:58,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:58,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:58,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:58,140 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:58,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:58,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:58,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:58,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:58,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:58,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:58,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:58,265 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:58,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:58,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:58,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:58,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:58,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:58,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:58,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:58,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:58,392 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:58,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:58,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:58,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:58,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:58,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:58,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:58,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:58,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:58,523 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:58,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:58,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:58,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:58,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:58,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:58,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:58,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:58,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:58,650 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:58,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:58,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:58,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:58,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:58,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:58,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:58,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:58,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:58,777 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:58,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:58,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:58,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:58,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:58,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:58,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:58,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:58,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:58,905 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:58,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:58,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:58,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:58,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:58,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:59,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:59,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:59,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:59,030 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:59,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:59,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:59,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:59,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:59,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:59,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:59,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:59,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:59,153 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:59,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:59,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:59,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:59,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:59,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:59,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:59,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:59,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:59,277 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:59,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:59,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:59,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:59,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:59,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:59,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:59,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:59,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:59,405 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:59,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:59,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:59,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:59,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:59,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:59,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:59,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:59,529 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:59,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:59,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:59,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:59,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:59,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:59,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:59,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:59,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:59,652 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:59,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:59,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:59,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:59,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:59,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:59,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:59,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:59,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:59,775 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:59,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:59,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:59,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:59,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:59,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:59,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:59,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:59,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:53:59,899 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:53:59,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:53:59,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:59,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:59,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:53:59,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:00,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:00,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:00,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:00,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:00,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:00,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:00,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:00,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:00,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:00,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:00,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:00,149 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:00,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:00,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:00,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:00,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:00,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:00,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:00,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:00,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:00,283 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:00,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:00,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:00,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:00,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:00,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:00,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:00,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:00,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:00,416 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:00,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:00,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:00,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:00,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:00,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:00,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:00,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:00,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:00,541 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:00,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:00,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:00,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:00,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:00,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:00,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:00,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:00,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:00,666 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:00,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:00,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:00,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:00,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:00,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:00,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:00,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:00,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:00,791 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:00,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:00,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:00,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:00,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:00,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:00,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:00,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:00,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:00,915 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:00,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:00,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:00,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:01,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:01,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:01,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:01,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:01,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:01,039 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:01,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:01,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:01,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:01,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:01,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:01,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:01,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:01,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:01,164 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:01,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:01,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:01,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:01,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:01,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:01,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:01,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:01,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:01,288 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:01,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:01,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:01,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:01,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:01,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:01,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:01,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:01,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:01,414 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:01,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:01,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:01,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:01,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:01,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:01,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:01,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:01,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:01,547 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:01,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:01,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:01,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:01,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:01,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:01,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:01,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:01,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:01,681 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:01,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:01,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:01,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:01,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:01,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:01,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:01,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:01,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:01,817 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:01,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:01,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:01,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:01,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:01,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:01,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:01,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:01,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:01,945 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:01,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:01,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:01,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:02,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:02,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:02,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:02,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:02,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:02,073 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:02,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:02,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:02,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:02,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:02,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:02,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:02,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:02,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:02,201 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:02,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:02,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:02,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:02,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:02,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:02,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:02,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:02,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:02,329 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:02,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:02,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:02,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:02,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:02,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:02,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:02,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:02,452 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:02,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:02,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:02,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:02,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:02,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:02,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:02,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:02,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:02,582 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:02,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:02,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:02,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:02,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:02,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:02,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:02,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:02,715 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:02,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:02,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:02,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:02,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:02,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:02,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:02,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:02,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:02,843 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:02,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:02,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:02,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:02,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:02,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:02,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:02,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:02,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:02,973 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:02,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:02,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:02,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:03,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:03,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:03,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:03,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:03,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:03,102 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:03,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:03,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:03,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:03,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:03,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:03,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:03,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:03,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:03,229 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:03,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:03,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:03,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:03,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:03,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:03,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:03,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:03,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:03,358 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:03,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:03,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:03,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:03,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:03,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:03,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:03,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:03,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:03,490 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:03,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:03,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:03,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:03,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:03,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:03,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:03,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:03,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:03,619 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:03,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:03,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:03,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:03,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:03,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:03,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:03,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:03,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:03,747 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:03,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:03,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:03,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:03,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:03,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:03,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:03,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:03,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:03,874 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:03,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:03,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:03,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:03,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:03,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:03,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:03,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:03,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:03,999 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:04,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:04,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:04,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:04,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:04,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:04,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:04,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:04,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:04,124 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:04,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:04,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:04,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:04,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:04,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:04,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:04,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:04,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:04,249 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:04,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:04,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:04,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:04,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:04,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:04,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:04,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:04,381 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:04,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:04,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:04,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:04,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:04,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:04,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:04,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:04,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:04,504 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:04,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:04,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:04,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:04,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:04,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:04,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:04,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:04,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:04,628 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:04,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:04,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:04,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:04,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:04,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:04,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:04,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:04,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:04,751 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:04,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:04,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:04,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:04,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:04,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:04,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:04,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:04,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:04,876 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:04,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:04,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:04,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:04,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:04,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:04,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:05,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:05,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:05,002 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:05,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:05,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:05,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:05,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:05,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:05,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:05,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:05,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:05,128 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:05,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:05,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:05,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:05,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:05,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:05,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:05,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:05,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:05,252 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:05,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:05,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:05,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:05,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:05,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:05,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:05,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:05,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:05,384 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:05,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:05,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:05,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:05,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:05,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:05,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:05,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:05,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:05,514 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:05,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:05,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:05,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:05,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:05,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:05,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:05,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:05,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:05,649 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:05,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:05,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:05,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:05,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:05,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:05,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:05,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:05,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:05,780 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:05,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:05,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:05,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:05,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:05,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:05,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:05,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:05,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:05,912 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:05,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:05,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:05,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:06,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:06,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:06,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:06,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:06,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:06,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:06,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:06,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:06,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:06,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:06,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:06,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:06,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:06,166 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:06,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:06,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:06,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:06,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:06,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:06,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:06,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:06,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:06,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:06,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:06,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:06,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:06,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:06,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:06,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:06,416 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:06,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:06,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:06,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:06,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:06,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:06,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:06,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:06,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:06,540 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:06,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:06,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:06,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:06,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:06,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:06,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:06,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:06,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:06,665 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:06,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:06,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:06,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:06,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:06,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:06,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:06,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:06,791 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:06,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:06,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:06,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:06,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:06,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:06,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:06,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:06,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:06,920 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:06,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:06,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:06,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:07,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:07,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:07,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:07,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:07,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:07,043 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:07,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:07,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:07,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:07,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:07,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:07,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:07,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:07,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:07,168 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:07,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:07,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:07,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:07,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:07,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:07,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:07,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:07,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:07,292 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:07,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:07,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:07,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:07,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:07,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:07,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:07,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:07,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:07,416 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:07,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:07,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:07,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:07,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:07,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:07,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:07,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:07,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:07,540 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:07,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:07,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:07,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:07,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:07,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:07,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:07,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:07,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:07,664 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:07,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:07,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:07,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:07,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:07,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:07,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:07,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:07,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:07,787 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:07,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:07,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:07,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:07,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:07,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:07,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:07,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:07,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:07,911 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:07,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:07,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:07,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:08,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:08,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:08,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:08,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:08,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:08,036 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:08,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:08,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:08,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:08,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:08,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:08,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:08,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:08,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:08,161 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:08,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:08,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:08,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:08,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:08,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:08,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:08,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:08,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:08,287 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:08,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:08,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:08,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:08,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:08,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:08,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:08,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:08,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:08,416 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:08,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:08,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:08,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:08,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:08,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:08,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:08,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:08,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:08,543 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:08,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:08,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:08,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:08,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:08,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:08,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:08,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:08,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:08,672 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:08,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:08,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:08,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:08,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:08,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:08,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:08,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:08,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:08,803 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:08,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:08,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:08,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:08,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:08,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:08,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:08,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:08,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:08,929 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:08,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:08,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:08,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:09,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:09,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:09,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:09,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:09,058 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:09,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:09,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:09,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:09,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:09,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:09,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:09,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:09,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:09,185 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:09,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:09,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:09,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:09,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:09,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:09,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:09,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:09,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:09,317 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:09,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:09,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:09,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:09,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:09,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:09,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:09,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:09,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:09,442 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:09,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:09,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:09,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:09,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:09,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:09,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:09,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:09,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:09,568 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:09,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:09,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:09,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:09,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:09,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:09,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:09,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:09,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:09,694 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:09,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:09,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:09,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:09,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:09,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:09,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:09,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:09,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:09,819 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:09,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:09,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:09,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:09,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:09,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:09,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:09,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:09,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:09,952 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:09,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:09,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:09,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:10,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:10,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:10,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:10,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:10,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:10,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:10,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:10,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:10,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:10,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:10,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:10,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:10,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:10,213 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:10,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:10,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:10,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:10,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:10,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:10,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:10,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:10,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:10,342 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:10,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:10,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:10,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:10,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:10,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:10,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:10,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:10,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:10,473 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:10,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:10,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:10,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:10,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:10,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:10,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:10,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:10,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:10,604 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:10,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:10,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:10,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:10,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:10,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:10,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:10,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:10,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:10,738 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:10,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:10,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:10,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:10,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:10,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:10,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:10,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:10,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:10,872 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:10,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:10,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:10,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:10,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:10,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:10,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:11,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:11,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:11,002 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:11,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:11,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:11,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:11,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:11,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:11,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:11,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:11,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:11,131 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:11,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:11,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:11,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:11,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:11,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:11,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:11,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:11,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:11,260 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:11,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:11,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:11,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:11,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:11,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:11,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:11,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:11,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:11,415 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:11,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:11,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:11,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:11,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:11,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:11,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:11,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:11,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:11,549 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:11,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:11,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:11,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:11,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:11,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:11,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:11,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:11,683 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:11,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:11,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:11,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:11,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:11,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:11,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:11,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:11,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:11,817 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:11,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:11,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:11,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:11,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:11,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:11,950 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:11,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:11,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:11,952 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:11,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:11,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:11,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:12,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:12,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:12,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:12,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:12,087 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:12,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:12,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:12,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:12,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:12,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:12,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:12,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:12,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:12,218 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:12,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:12,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:12,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:12,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:12,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:12,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:12,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:12,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:12,347 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:12,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:12,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:12,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:12,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:12,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:12,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:12,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:12,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:12,479 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:12,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:12,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:12,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:12,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:12,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:12,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:12,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:12,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:12,610 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:12,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:12,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:12,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:12,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:12,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:12,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:12,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:12,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:12,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:12,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:12,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:12,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:12,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:12,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:12,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:12,890 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:12,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:12,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:12,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:12,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:12,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:13,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:13,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:13,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:13,020 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:13,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:13,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:13,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:13,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:13,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:13,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:13,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:13,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:13,151 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:13,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:13,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:13,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:13,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:13,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:13,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:13,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:13,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:13,281 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:13,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:13,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:13,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:13,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:13,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:13,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:13,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:13,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:13,410 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:13,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:13,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:13,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:13,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:13,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:13,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:13,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:13,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:13,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:13,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:13,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:13,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:13,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:13,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:13,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:13,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:13,661 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:13,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:13,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:13,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:13,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:13,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:13,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:13,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:13,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:13,792 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:13,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:13,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:13,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:13,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:13,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:13,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:13,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:13,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:13,923 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:13,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:13,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:13,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:14,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:14,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:14,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:14,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:14,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:14,050 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:14,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:14,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:14,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:14,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:14,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:14,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:14,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:14,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:14,175 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:14,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:14,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:14,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:14,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:14,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:14,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:14,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:14,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:14,302 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:14,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:14,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:14,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:14,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:14,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:14,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:14,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:14,427 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:14,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:14,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:14,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:14,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:14,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:14,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:14,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:14,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:14,555 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:14,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:14,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:14,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:14,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:14,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:14,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:14,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:14,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:14,679 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:14,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:14,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:14,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:14,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:14,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:14,802 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:14,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:14,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:14,804 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:14,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:14,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:14,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:14,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:14,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:14,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:14,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:14,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:14,930 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:14,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:14,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:14,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:15,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:15,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:15,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:15,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:15,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:15,053 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:15,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:15,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:15,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:15,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:15,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:15,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:15,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:15,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:15,179 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:15,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:15,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:15,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:15,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:15,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:15,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:15,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:15,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:15,306 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:15,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:15,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:15,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:15,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:15,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:15,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:15,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:15,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:15,433 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:15,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:15,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:15,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:15,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:15,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:15,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:15,558 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:15,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:15,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:15,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:15,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:15,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:15,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:15,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:15,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:15,684 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:15,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:15,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:15,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:15,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:15,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:15,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:15,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:15,809 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:15,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:15,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:15,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:15,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:15,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:15,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:15,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:15,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:15,934 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:15,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:15,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:16,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:16,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:16,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:16,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:16,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:16,060 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:16,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:16,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:16,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:16,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:16,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:16,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:16,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:16,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:16,185 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:16,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:16,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:16,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:16,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:16,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:16,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:16,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:16,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:16,313 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:16,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:16,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:16,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:16,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:16,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:16,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:16,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:16,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:16,438 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:16,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:16,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:16,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:16,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:16,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:16,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:16,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:16,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:16,563 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:16,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:16,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:16,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:16,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:16,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:16,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:16,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:16,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:16,690 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:16,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:16,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:16,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:16,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:16,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:16,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:16,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:16,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:16,817 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:16,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:16,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:16,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:16,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:16,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:16,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:16,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:16,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:16,950 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:16,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:16,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:16,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:17,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:17,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:17,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:17,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:17,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:17,078 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:17,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:17,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:17,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:17,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:17,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:17,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:17,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:17,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:17,208 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:17,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:17,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:17,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:17,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:17,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:17,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:17,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:17,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:17,336 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:17,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:17,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:17,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:17,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:17,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:17,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:17,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:17,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:17,464 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:17,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:17,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:17,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:17,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:17,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:17,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:17,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:17,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:17,591 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:17,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:17,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:17,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:17,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:17,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:17,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:17,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:17,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:17,718 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:17,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:17,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:17,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:17,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:17,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:17,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:17,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:17,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:17,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:17,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:17,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:17,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:17,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:17,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:17,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:17,972 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:17,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:17,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:17,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:18,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:18,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:18,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:18,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:18,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:18,099 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:18,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:18,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:18,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:18,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:18,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:18,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:18,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:18,226 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:18,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:18,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:18,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:18,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:18,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:18,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:18,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:18,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:18,353 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:18,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:18,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:18,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:18,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:18,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:18,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:18,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:18,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:18,480 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:18,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:18,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:18,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:18,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:18,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:18,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:18,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:18,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:18,605 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:18,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:18,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:18,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:18,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:18,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:18,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:18,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:18,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:18,732 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:18,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:18,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:18,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:18,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:18,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:18,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:18,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:18,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:18,859 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:18,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:18,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:18,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:18,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:18,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:18,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:18,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:18,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:18,985 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:18,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:18,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:18,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:19,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:19,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:19,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:19,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:19,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:19,120 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:19,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:19,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:19,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:19,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:19,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:19,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:19,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:19,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:19,259 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:19,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:19,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:19,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:19,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:19,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:19,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:19,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:19,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:19,393 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:19,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:19,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:19,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:19,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:19,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:19,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:19,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:19,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:19,534 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:19,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:19,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:19,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:19,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:19,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:19,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:19,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:19,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:19,664 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:19,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:19,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:19,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:19,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:19,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:19,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:19,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:19,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:19,791 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:19,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:19,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:19,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:19,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:19,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:19,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:19,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:19,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:19,920 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:19,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:19,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:19,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:20,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:20,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:20,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:20,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:20,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:20,056 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:20,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:20,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:20,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:20,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:20,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:20,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:20,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:20,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:20,190 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:20,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:20,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:20,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:20,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:20,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:20,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:20,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:20,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:20,323 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:20,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:20,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:20,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:20,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:20,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:20,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:20,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:20,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:20,452 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:20,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:20,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:20,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:20,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:20,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:20,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:20,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:20,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:20,578 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:20,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:20,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:20,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:20,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:20,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:20,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:20,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:20,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:20,702 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:20,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:20,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:20,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:20,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:20,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:20,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:20,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:20,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:20,829 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:20,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:20,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:20,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:20,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:20,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:20,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:20,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:20,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:20,955 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:20,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:20,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:20,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:21,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:21,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:21,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:21,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:21,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:21,082 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:21,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:21,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:21,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:21,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:21,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:21,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:21,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:21,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:21,209 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:21,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:21,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:21,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:21,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:21,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:21,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:21,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:21,337 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:21,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:21,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:21,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:21,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:21,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:21,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:21,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:21,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:21,466 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:21,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:21,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:21,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:21,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:21,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:21,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:21,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:21,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:21,592 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:21,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:21,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:21,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:21,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:21,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:21,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:21,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:21,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:21,725 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:21,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:21,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:21,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:21,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:21,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:21,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:21,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:21,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:21,863 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:21,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:21,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:21,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:21,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:21,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:21,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:21,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:21,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:21,996 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:21,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:21,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:21,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:22,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:22,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:22,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:22,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:22,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:22,133 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:22,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:22,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:22,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:22,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:22,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:22,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:22,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:22,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:22,263 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:22,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:22,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:22,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:22,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:22,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:22,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:22,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:22,398 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:22,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:22,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:22,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:22,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:22,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:22,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:22,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:22,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:22,531 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:22,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:22,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:22,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:22,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:22,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:22,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:22,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:22,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:22,662 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:22,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:22,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:22,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:22,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:22,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:22,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:22,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:22,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:22,793 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:22,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:22,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:22,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:22,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:22,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:22,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:22,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:22,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:22,926 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:22,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:22,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:22,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:23,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:23,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:23,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:23,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:23,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:23,060 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:23,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:23,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:23,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:23,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:23,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:23,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:23,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:23,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:23,190 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:23,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:23,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:23,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:23,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:23,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:23,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:23,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:23,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:23,323 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:23,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:23,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:23,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:23,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:23,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:23,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:23,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:23,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:23,450 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:23,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:23,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:23,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:23,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:23,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:23,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:23,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:23,583 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:23,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:23,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:23,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:23,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:23,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:23,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:23,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:23,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:23,718 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:23,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:23,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:23,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:23,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:23,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:23,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:23,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:23,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:23,851 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:23,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:23,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:23,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:23,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:23,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:23,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:23,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:23,984 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:23,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:23,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:23,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:24,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:24,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:24,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:24,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:24,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:24,117 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:24,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:24,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:24,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:24,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:24,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:24,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:24,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:24,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:24,249 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:24,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:24,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:24,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:24,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:24,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:24,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:24,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:24,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:24,380 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:24,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:24,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:24,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:24,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:24,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:24,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:24,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:24,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:24,512 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:24,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:24,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:24,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:24,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:24,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:24,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:24,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:24,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:24,656 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:24,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:24,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:24,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:24,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:24,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:24,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:24,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:24,788 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:24,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:24,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:24,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:24,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:24,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:24,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:24,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:24,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:24,918 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:24,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:24,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:24,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:25,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:25,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:25,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:25,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:25,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:25,050 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:25,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:25,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:25,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:25,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:25,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:25,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:25,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:25,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:25,183 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:25,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:25,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:25,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:25,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:25,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:25,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:25,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:25,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:25,318 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:25,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:25,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:25,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:25,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:25,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:25,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:25,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:25,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:25,452 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:25,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:25,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:25,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:25,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:25,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:25,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:25,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:25,588 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:25,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:25,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:25,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:25,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:25,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:25,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:25,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:25,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:25,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:25,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:25,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:25,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:25,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:25,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:25,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:25,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:25,865 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:25,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:25,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:25,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:25,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:25,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:26,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:26,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:26,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:26,009 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:26,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:26,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:26,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:26,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:26,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:26,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:26,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:26,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:26,146 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:26,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:26,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:26,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:26,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:26,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:26,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:26,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:26,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:26,286 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:26,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:26,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:26,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:26,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:26,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:26,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:26,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:26,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:26,425 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:26,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:26,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:26,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:26,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:26,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:26,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:26,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:26,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:26,559 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:26,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:26,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:26,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:26,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:26,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:26,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:26,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:26,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:26,693 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:26,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:26,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:26,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:26,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:26,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:26,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:26,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:26,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:26,827 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:26,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:26,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:26,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:26,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:26,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:26,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:26,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:26,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:26,960 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:26,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:26,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:26,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:27,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:27,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:27,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:27,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:27,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:27,093 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:27,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:27,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:27,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:27,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:27,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:27,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:27,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:27,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:27,225 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:27,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:27,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:27,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:27,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:27,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:27,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:27,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:27,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:27,359 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:27,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:27,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:27,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:27,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:27,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:27,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:27,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:27,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:27,486 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:27,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:27,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:27,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:27,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:27,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:27,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:27,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:27,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:27,613 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:27,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:27,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:27,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:27,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:27,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:27,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:27,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:27,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:27,743 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:27,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:27,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:27,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:27,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:27,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:27,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:27,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:27,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:27,871 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:27,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:27,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:27,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:27,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:27,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:27,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:28,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:28,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:28,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:28,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:28,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:28,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:28,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:28,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:28,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:28,127 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:28,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:28,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:28,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:28,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:28,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:28,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:28,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:28,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:28,255 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:28,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:28,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:28,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:28,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:28,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:28,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:28,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:28,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:28,381 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:28,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:28,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:28,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:28,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:28,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:28,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:28,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:28,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:28,509 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:28,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:28,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:28,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:28,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:28,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:28,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:28,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:28,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:28,636 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:28,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:28,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:28,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:28,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:28,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:28,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:28,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:28,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:28,763 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:28,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:28,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:28,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:28,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:28,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:28,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:28,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:28,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:28,891 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:28,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:28,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:28,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:28,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:28,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:29,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:29,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:29,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:29,022 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:29,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:29,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:29,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:29,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:29,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:29,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:29,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:29,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:29,150 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:29,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:29,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:29,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:29,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:29,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:29,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:29,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:29,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:29,280 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:29,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:29,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:29,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:29,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:29,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:29,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:29,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:29,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:29,407 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:29,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:29,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:29,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:29,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:29,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:29,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:29,533 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:29,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:29,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:29,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:29,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:29,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:29,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:29,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:29,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:29,661 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:29,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:29,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:29,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:29,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:29,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:29,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:29,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:29,795 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:29,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:29,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:29,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:29,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:29,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:29,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:29,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:29,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:29,921 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:29,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:29,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:29,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:30,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:30,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:30,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:30,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:30,047 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:30,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:30,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:30,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:30,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:30,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:30,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:30,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:30,174 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:30,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:30,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:30,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:30,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:30,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:30,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:30,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:30,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:30,301 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:30,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:30,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:30,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:30,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:30,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:30,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:30,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:30,427 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:30,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:30,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:30,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:30,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:30,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:30,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:30,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:30,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:30,554 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:30,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:30,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:30,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:30,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:30,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:30,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:30,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:30,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:30,681 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:30,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:30,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:30,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:30,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:30,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:30,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:30,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:30,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:30,807 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:30,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:30,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:30,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:30,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:30,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:30,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:30,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:30,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:30,933 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:30,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:30,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:30,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:31,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:31,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:31,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:31,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:31,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:31,061 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:31,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:31,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:31,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:31,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:31,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:31,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:31,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:31,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:31,188 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:31,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:31,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:31,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:31,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:31,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:31,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:31,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:31,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:31,317 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:31,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:31,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:31,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:31,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:31,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:31,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:31,446 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:31,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:31,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:31,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:31,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:31,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:31,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:31,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:31,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:31,573 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:31,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:31,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:31,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:31,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:31,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:31,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:31,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:31,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:31,700 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:31,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:31,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:31,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:31,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:31,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:31,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:31,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:31,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:31,829 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:31,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:31,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:31,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:31,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:31,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:31,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:31,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:31,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:31,958 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:31,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:31,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:31,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:32,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:32,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:32,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:32,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:32,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:32,085 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:32,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:32,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:32,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:32,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:32,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:32,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:32,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:32,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:32,214 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:32,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:32,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:32,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:32,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:32,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:32,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:32,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:32,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:32,348 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:32,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:32,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:32,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:32,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:32,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:32,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:32,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:32,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:32,474 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:32,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:32,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:32,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:32,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:32,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:32,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:32,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:32,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:32,600 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:32,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:32,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:32,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:32,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:32,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:32,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:32,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:32,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:32,726 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:32,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:32,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:32,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:32,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:32,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:32,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:32,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:32,853 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:32,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:32,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:32,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:32,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:32,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:32,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:32,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:32,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:32,982 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:32,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:32,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:32,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:33,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:33,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:33,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:33,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:33,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:33,110 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:33,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:33,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:33,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:33,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:33,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:33,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:33,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:33,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:33,238 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:33,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:33,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:33,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:33,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:33,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:33,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:33,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:33,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:33,366 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:33,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:33,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:33,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:33,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:33,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:33,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:33,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:33,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:33,493 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:33,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:33,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:33,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:33,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:33,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:33,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:33,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:33,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:33,620 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:33,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:33,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:33,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:33,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:33,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:33,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:33,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:33,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:33,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:33,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:33,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:33,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:33,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:33,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:33,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:33,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:33,876 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:33,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:33,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:33,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:33,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:33,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:34,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:34,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:34,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:34,004 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:34,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:34,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:34,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:34,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:34,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:34,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:34,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:34,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:34,133 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:34,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:34,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:34,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:34,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:34,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:34,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:34,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:34,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:34,266 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:34,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:34,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:34,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:34,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:34,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:34,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:34,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:34,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:34,401 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:34,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:34,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:34,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:34,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:34,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:34,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:34,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:34,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:34,530 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:34,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:34,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:34,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:34,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:34,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:34,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:34,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:34,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:34,659 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:34,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:34,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:34,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:34,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:34,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:34,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:34,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:34,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:34,789 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:34,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:34,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:34,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:34,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:34,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:34,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:34,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:34,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:34,922 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:34,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:34,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:34,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:35,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:35,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:35,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:35,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:35,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:35,048 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:35,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:35,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:35,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:35,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:35,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:35,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:35,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:35,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:35,179 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:35,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:35,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:35,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:35,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:35,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:35,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:35,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:35,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:35,307 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:35,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:35,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:35,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:35,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:35,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:35,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:35,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:35,435 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:35,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:35,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:35,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:35,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:35,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:35,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:35,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:35,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:35,563 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:35,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:35,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:35,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:35,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:35,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:35,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:35,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:35,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:35,700 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:35,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:35,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:35,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:35,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:35,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:35,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:35,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:35,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:35,836 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:35,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:35,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:35,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:35,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:35,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:35,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:35,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:35,969 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:35,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:35,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:35,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:36,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:36,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:36,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:36,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:36,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:36,104 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:36,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:36,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:36,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:36,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:36,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:36,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:36,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:36,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:36,239 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:36,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:36,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:36,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:36,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:36,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:36,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:36,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:36,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:36,378 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:36,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:36,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:36,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:36,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:36,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:36,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:36,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:36,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:36,511 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:36,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:36,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:36,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:36,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:36,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:36,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:36,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:36,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:36,638 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:36,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:36,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:36,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:36,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:36,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:36,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:36,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:36,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:36,767 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:36,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:36,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:36,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:36,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:36,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:36,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:36,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:36,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:36,895 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:36,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:36,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:36,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:36,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:36,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:37,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:37,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:37,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:37,026 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:37,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:37,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:37,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:37,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:37,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:37,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:37,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:37,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:37,155 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:37,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:37,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:37,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:37,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:37,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:37,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:37,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:37,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:37,283 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:37,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:37,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:37,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:37,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:37,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:37,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:37,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:37,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:37,417 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:37,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:37,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:37,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:37,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:37,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:37,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:37,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:37,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:37,544 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:37,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:37,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:37,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:37,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:37,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:37,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:37,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:37,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:37,673 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:37,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:37,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:37,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:37,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:37,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:37,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:37,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:37,800 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:37,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:37,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:37,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:37,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:37,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:37,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:37,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:37,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:37,926 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:37,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:37,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:37,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:38,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:38,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:38,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:38,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:38,054 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:38,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:38,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:38,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:38,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:38,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:38,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:38,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:38,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:38,182 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:38,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:38,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:38,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:38,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:38,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:38,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:38,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:38,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:38,310 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:38,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:38,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:38,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:38,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:38,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:38,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:38,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:38,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:38,438 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:38,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:38,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:38,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:38,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:38,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:38,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:38,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:38,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:38,567 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:38,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:38,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:38,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:38,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:38,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:38,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:38,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:38,696 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:38,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:38,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:38,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:38,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:38,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:38,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:38,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:38,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:38,823 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:38,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:38,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:38,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:38,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:38,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:38,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:38,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:38,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:38,951 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:38,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:38,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:38,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:39,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:39,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:39,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:39,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:39,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:39,081 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:39,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:39,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:39,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:39,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:39,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:39,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:39,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:39,211 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:39,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:39,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:39,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:39,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:39,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:39,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:39,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:39,339 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:39,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:39,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:39,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:39,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:39,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:39,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:39,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:39,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:39,469 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:39,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:39,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:39,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:39,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:39,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:39,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:39,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:39,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:39,597 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:39,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:39,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:39,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:39,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:39,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:39,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:39,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:39,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:39,729 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:39,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:39,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:39,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:39,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:39,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:39,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:39,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:39,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:39,865 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:39,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:39,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:39,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:39,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:39,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:40,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:40,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:40,010 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:40,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:40,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:40,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:40,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:40,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:40,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:40,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:40,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:40,144 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:40,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:40,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:40,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:40,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:40,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:40,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:40,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:40,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:40,277 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:40,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:40,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:40,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:40,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:40,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:40,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:40,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:40,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:40,411 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:40,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:40,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:40,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:40,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:40,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:40,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:40,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:40,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:40,546 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:40,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:40,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:40,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:40,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:40,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:40,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:40,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:40,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:40,681 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:40,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:40,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:40,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:40,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:40,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:40,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:40,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:40,817 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:40,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:40,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:40,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:40,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:40,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:40,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:40,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:40,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:40,949 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:40,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:40,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:40,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:41,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:41,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:41,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:41,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:41,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:41,082 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:41,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:41,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:41,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:41,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:41,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:41,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:41,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:41,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:41,211 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:41,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:41,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:41,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:41,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:41,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:41,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:41,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:41,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:41,343 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:41,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:41,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:41,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:41,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:41,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:41,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:41,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:41,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:41,476 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:41,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:41,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:41,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:41,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:41,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:41,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:41,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:41,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:41,606 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:41,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:41,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:41,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:41,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:41,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:41,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:41,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:41,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:41,736 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:41,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:41,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:41,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:41,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:41,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:41,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:41,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:41,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:41,867 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:41,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:41,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:41,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:41,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:41,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:41,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:41,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:41,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:41,997 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:41,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:41,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:41,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:42,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:42,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:42,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:42,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:42,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:42,126 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:42,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:42,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:42,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:42,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:42,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:42,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:42,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:42,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:42,256 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:42,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:42,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:42,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:42,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:42,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:42,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:42,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:42,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:42,385 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:42,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:42,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:42,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:42,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:42,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:42,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:42,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:42,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:42,515 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:42,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:42,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:42,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:42,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:42,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:42,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:42,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:42,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:42,650 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:42,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:42,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:42,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:42,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:42,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:42,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:42,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:42,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:42,785 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:42,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:42,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:42,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:42,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:42,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:42,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:42,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:42,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:42,918 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:42,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:42,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:42,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:43,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:43,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:43,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:43,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:43,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:43,051 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:43,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:43,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:43,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:43,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:43,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:43,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:43,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:43,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:43,181 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:43,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:43,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:43,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:43,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:43,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:43,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:43,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:43,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:43,311 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:43,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:43,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:43,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:43,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:43,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:43,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:43,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:43,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:43,439 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:43,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:43,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:43,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:43,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:43,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:43,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:43,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:43,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:43,568 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:43,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:43,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:43,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:43,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:43,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:43,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:43,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:43,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:43,698 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:43,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:43,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:43,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:43,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:43,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:43,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:43,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:43,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:43,826 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:43,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:43,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:43,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:43,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:43,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:43,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:43,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:43,955 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:43,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:43,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:43,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:44,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:44,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:44,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:44,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:44,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:44,085 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:44,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:44,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:44,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:44,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:44,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:44,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:44,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:44,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:44,215 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:44,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:44,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:44,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:44,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:44,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:44,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:44,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:44,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:44,345 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:44,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:44,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:44,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:44,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:44,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:44,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:44,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:44,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:44,476 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:44,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:44,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:44,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:44,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:44,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:44,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:44,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:44,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:44,604 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:44,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:44,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:44,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:44,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:44,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:44,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:44,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:44,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:44,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:44,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:44,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:44,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:44,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:44,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:44,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:44,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:44,863 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:44,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:44,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:44,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:44,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:44,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:44,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:44,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:44,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:44,993 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:44,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:44,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:44,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:45,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:45,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:45,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:45,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:45,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:45,131 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:45,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:45,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:45,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:45,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:45,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:45,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:45,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:45,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:45,259 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:45,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:45,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:45,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:45,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:45,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:45,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:45,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:45,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:45,389 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:45,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:45,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:45,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:45,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:45,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:45,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:45,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:45,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:45,517 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:45,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:45,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:45,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:45,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:45,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:45,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:45,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:45,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:45,646 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:45,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:45,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:45,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:45,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:45,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:45,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:45,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:45,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:45,774 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:45,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:45,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:45,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:45,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:45,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:45,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:45,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:45,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:45,903 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:45,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:45,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:45,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:45,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:45,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:46,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:46,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:46,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:46,031 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:46,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:46,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:46,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:46,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:46,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:46,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:46,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:46,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:46,184 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:46,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:46,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:46,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:46,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:46,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:46,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:46,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:46,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:46,330 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:46,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:46,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:46,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:46,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:46,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:46,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:46,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:46,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:46,473 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:46,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:46,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:46,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:46,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:46,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:46,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:46,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:46,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:46,611 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:46,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:46,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:46,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:46,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:46,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:46,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:46,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:46,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:46,740 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:46,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:46,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:46,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:46,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:46,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:46,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:46,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:46,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:46,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:46,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:46,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:46,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:46,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:46,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:46,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:46,999 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:46,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:46,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:46,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:47,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:47,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:47,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:47,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:47,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:47,130 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:47,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:47,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:47,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:47,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:47,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:47,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:47,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:47,259 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:47,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:47,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:47,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:47,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:47,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:47,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:47,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:47,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:47,392 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:47,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:47,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:47,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:47,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:47,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:47,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:47,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:47,524 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:47,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:47,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:47,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:47,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:47,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:47,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:47,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:47,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:47,653 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:47,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:47,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:47,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:47,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:47,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:47,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:47,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:47,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:47,788 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:47,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:47,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:47,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:47,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:47,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:47,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:47,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:47,926 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:47,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:47,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:47,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:48,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:48,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:48,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:48,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:48,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:48,064 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:48,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:48,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:48,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:48,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:48,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:48,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:48,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:48,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:48,201 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:48,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:48,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:48,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:48,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:48,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:48,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:48,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:48,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:48,335 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:48,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:48,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:48,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:48,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:48,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:48,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:48,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:48,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:48,467 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:48,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:48,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:48,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:48,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:48,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:48,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:48,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:48,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:48,599 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:48,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:48,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:48,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:48,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:48,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:48,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:48,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:48,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:48,732 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:48,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:48,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:48,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:48,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:48,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:48,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:48,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:48,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:48,866 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:48,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:48,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:48,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:48,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:48,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:48,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:49,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:49,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:49,001 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:49,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:49,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:49,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:49,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:49,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:49,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:49,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:49,140 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:49,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:49,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:49,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:49,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:49,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:49,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:49,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:49,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:49,277 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:49,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:49,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:49,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:49,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:49,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:49,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:49,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:49,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:49,411 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:49,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:49,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:49,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:49,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:49,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:49,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:49,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:49,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:49,546 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:49,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:49,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:49,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:49,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:49,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:49,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:49,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:49,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:49,674 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:49,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:49,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:49,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:49,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:49,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:49,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:49,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:49,804 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:49,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:49,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:49,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:49,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:49,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:49,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:49,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:49,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:49,934 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:49,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:49,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:49,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:50,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:50,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:50,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:50,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:50,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:50,064 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:50,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:50,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:50,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:50,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:50,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:50,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:50,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:50,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:50,195 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:50,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:50,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:50,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:50,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:50,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:50,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:50,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:50,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:50,325 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:50,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:50,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:50,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:50,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:50,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:50,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:50,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:50,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:50,466 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:50,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:50,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:50,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:50,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:50,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:50,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:50,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:50,602 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:50,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:50,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:50,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:50,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:50,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:50,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:50,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:50,736 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:50,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:50,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:50,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:50,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:50,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:50,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:50,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:50,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:50,869 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:50,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:50,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:50,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:50,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:50,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:50,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:50,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:50,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:50,998 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:50,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:50,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:50,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:51,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:51,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:51,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:51,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:51,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:51,128 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:51,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:51,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:51,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:51,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:51,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:51,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:51,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:51,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:51,258 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:51,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:51,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:51,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:51,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:51,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:51,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:51,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:51,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:51,394 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:51,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:51,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:51,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:51,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:51,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:51,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:51,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:51,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:51,528 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:51,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:51,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:51,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:51,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:51,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:51,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:51,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:51,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:51,664 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:51,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:51,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:51,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:51,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:51,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:51,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:51,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:51,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:51,803 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:51,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:51,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:51,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:51,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:51,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:51,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:51,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:51,942 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:51,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:51,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:51,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:52,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:52,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:52,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:52,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:52,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:52,078 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:52,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:52,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:52,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:52,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:52,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:52,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:52,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:52,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:52,216 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:52,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:52,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:52,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:52,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:52,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:52,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:52,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:52,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:52,348 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:52,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:52,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:52,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:52,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:52,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:52,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:52,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:52,478 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:52,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:52,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:52,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:52,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:52,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:52,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:52,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:52,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:52,610 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:52,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:52,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:52,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:52,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:52,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:52,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:52,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:52,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:52,740 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:52,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:52,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:52,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:52,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:52,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:52,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:52,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:52,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:52,871 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:52,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:52,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:52,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:52,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:52,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:53,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:53,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:53,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:53,007 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:53,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:53,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:53,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:53,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:53,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:53,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:53,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:53,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:53,138 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:53,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:53,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:53,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:53,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:53,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:53,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:53,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:53,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:53,266 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:53,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:53,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:53,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:53,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:53,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:53,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:53,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:53,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:53,396 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:53,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:53,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:53,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:53,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:53,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:53,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:53,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:53,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:53,524 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:53,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:53,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:53,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:53,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:53,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:53,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:53,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:53,653 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:53,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:53,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:53,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:53,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:53,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:53,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:53,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:53,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:53,784 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:53,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:53,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:53,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:53,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:53,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:53,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:53,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:53,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:53,916 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:53,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:53,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:53,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:54,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:54,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:54,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:54,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:54,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:54,049 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:54,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:54,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:54,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:54,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:54,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:54,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:54,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:54,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:54,178 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:54,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:54,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:54,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:54,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:54,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:54,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:54,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:54,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:54,307 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:54,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:54,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:54,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:54,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:54,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:54,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:54,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:54,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:54,437 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:54,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:54,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:54,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:54,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:54,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:54,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:54,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:54,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:54,566 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:54,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:54,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:54,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:54,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:54,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:54,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:54,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:54,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:54,696 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:54,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:54,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:54,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:54,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:54,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:54,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:54,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:54,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:54,826 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:54,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:54,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:54,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:54,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:54,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:54,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:54,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:54,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:54,956 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:54,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:54,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:54,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:55,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:55,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:55,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:55,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:55,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:55,088 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:55,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:55,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:55,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:55,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:55,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:55,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:55,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:55,217 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:55,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:55,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:55,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:55,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:55,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:55,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:55,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:55,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:55,347 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:55,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:55,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:55,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:55,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:55,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:55,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:55,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:55,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:55,476 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:55,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:55,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:55,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:55,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:55,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:55,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:55,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:55,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:55,613 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:55,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:55,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:55,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:55,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:55,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:55,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:55,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:55,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:55,742 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:55,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:55,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:55,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:55,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:55,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:55,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:55,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:55,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:55,871 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:55,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:55,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:55,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:55,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:55,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:55,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:56,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:56,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:56,001 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:56,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:56,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:56,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:56,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:56,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:56,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:56,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:56,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:56,135 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:56,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:56,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:56,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:56,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:56,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:56,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:56,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:56,265 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:56,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:56,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:56,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:56,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:56,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:56,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:56,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:56,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:56,395 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:56,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:56,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:56,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:56,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:56,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:56,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:56,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:56,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:56,526 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:56,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:56,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:56,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:56,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:56,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:56,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:56,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:56,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:56,656 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:56,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:56,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:56,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:56,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:56,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:56,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:56,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:56,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:56,786 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:56,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:56,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:56,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:56,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:56,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:56,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:56,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:56,918 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:56,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:56,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:56,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:57,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:57,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:57,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:57,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:57,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:57,050 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:57,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:57,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:57,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:57,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:57,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:57,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:57,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:57,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:57,180 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:57,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:57,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:57,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:57,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:57,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:57,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:57,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:57,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:57,309 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:57,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:57,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:57,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:57,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:57,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:57,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:57,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:57,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:57,439 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:57,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:57,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:57,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:57,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:57,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:57,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:57,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:57,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:57,573 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:57,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:57,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:57,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:57,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:57,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:57,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:57,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:57,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:57,704 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:57,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:57,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:57,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:57,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:57,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:57,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:57,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:57,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:57,837 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:57,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:57,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:57,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:57,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:57,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:57,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:57,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:57,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:57,967 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:57,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:57,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:57,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:58,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:58,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:58,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:58,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:58,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:58,107 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:58,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:58,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:58,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:58,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:58,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:58,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:58,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:58,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:58,236 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:58,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:58,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:58,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:58,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:58,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:58,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:58,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:58,366 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:58,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:58,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:58,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:58,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:58,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:58,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:58,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:58,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:58,496 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:58,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:58,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:58,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:58,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:58,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:58,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:58,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:58,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:58,624 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:58,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:58,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:58,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:58,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:58,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:58,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:58,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:58,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:58,753 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:58,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:58,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:58,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:58,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:58,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:58,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:58,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:58,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:58,883 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:58,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:58,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:58,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:58,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:58,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:59,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:59,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:59,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:59,013 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:59,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:59,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:59,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:59,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:59,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:59,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:59,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:59,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:59,145 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:59,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:59,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:59,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:59,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:59,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:59,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:59,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:59,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:59,276 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:59,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:59,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:59,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:59,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:59,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:59,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:59,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:59,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:59,406 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:59,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:59,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:59,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:59,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:59,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:59,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:59,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:59,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:59,536 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:59,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:59,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:59,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:59,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:59,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:59,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:59,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:59,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:59,667 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:59,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:59,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:59,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:59,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:59,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:59,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:59,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:59,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:59,798 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:59,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:59,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:59,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:59,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:54:59,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:59,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:54:59,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:59,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:54:59,927 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:54:59,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:59,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:59,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:00,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:00,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:00,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:00,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:00,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:00,057 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:00,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:00,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:00,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:00,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:00,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:00,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:00,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:00,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:00,188 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:00,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:00,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:00,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:00,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:00,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:00,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:00,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:00,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:00,319 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:00,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:00,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:00,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:00,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:00,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:00,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:00,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:00,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:00,455 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:00,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:00,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:00,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:00,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:00,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:00,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:00,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:00,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:00,597 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:00,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:00,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:00,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:00,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:00,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:00,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:00,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:00,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:00,742 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:00,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:00,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:00,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:00,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:00,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:00,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:00,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:00,879 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:00,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:00,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:00,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:00,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:00,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:01,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:01,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:01,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:01,011 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:01,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:01,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:01,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:01,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:01,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:01,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:01,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:01,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:01,143 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:01,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:01,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:01,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:01,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:01,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:01,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:01,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:01,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:01,280 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:01,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:01,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:01,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:01,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:01,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:01,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:01,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:01,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:01,422 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:01,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:01,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:01,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:01,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:01,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:01,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:01,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:01,560 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:01,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:01,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:01,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:01,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:01,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:01,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:01,698 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:01,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:01,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:01,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:01,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:01,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:01,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:01,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:01,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:01,838 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:01,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:01,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:01,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:01,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:01,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:01,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:01,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:01,975 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:01,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:01,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:01,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:02,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:02,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:02,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:02,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:02,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:02,114 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:02,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:02,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:02,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:02,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:02,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:02,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:02,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:02,251 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:02,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:02,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:02,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:02,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:02,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:02,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:02,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:02,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:02,387 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:02,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:02,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:02,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:02,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:02,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:02,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:02,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:02,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:02,517 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:02,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:02,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:02,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:02,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:02,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:02,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:02,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:02,648 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:02,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:02,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:02,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:02,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:02,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:02,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:02,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:02,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:02,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:02,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:02,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:02,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:02,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:02,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:02,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:02,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:02,911 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:02,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:02,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:02,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:03,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:03,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:03,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:03,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:03,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:03,043 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:03,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:03,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:03,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:03,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:03,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:03,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:03,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:03,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:03,173 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:03,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:03,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:03,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:03,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:03,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:03,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:03,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:03,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:03,305 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:03,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:03,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:03,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:03,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:03,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:03,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:03,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:03,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:03,442 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:03,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:03,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:03,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:03,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:03,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:03,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:03,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:03,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:03,573 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:03,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:03,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:03,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:03,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:03,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:03,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:03,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:03,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:03,706 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:03,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:03,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:03,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:03,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:03,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:03,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:03,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:03,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:03,836 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:03,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:03,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:03,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:03,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:03,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:03,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:03,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:03,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:03,967 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:03,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:03,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:03,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:04,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:04,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:04,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:04,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:04,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:04,098 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:04,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:04,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:04,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:04,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:04,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:04,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:04,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:04,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:04,230 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:04,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:04,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:04,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:04,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:04,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:04,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:04,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:04,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:04,361 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:04,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:04,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:04,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:04,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:04,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:04,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:04,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:04,492 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:04,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:04,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:04,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:04,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:04,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:04,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:04,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:04,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:04,623 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:04,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:04,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:04,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:04,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:04,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:04,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:04,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:04,755 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:04,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:04,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:04,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:04,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:04,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:04,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:04,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:04,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:04,886 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:04,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:04,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:04,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:04,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:04,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:05,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:05,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:05,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:05,017 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:05,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:05,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:05,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:05,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:05,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:05,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:05,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:05,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:05,150 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:05,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:05,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:05,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:05,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:05,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:05,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:05,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:05,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:05,282 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:05,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:05,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:05,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:05,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:05,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:05,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:05,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:05,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:05,413 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:05,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:05,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:05,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:05,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:05,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:05,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:05,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:05,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:05,544 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:05,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:05,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:05,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:05,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:05,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:05,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:05,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:05,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:05,675 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:05,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:05,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:05,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:05,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:05,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:05,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:05,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:05,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:05,806 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:05,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:05,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:05,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:05,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:05,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:05,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:05,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:05,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:05,944 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:05,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:05,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:05,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:06,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:06,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:06,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:06,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:06,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:06,075 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:06,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:06,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:06,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:06,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:06,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:06,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:06,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:06,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:06,205 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:06,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:06,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:06,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:06,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:06,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:06,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:06,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:06,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:06,336 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:06,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:06,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:06,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:06,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:06,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:06,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:06,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:06,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:06,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:06,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:06,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:06,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:06,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:06,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:06,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:06,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:06,596 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:06,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:06,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:06,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:06,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:06,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:06,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:06,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:06,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:06,726 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:06,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:06,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:06,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:06,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:06,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:06,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:06,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:06,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:06,857 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:06,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:06,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:06,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:06,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:06,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:06,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:06,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:06,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:06,992 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:06,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:06,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:06,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:07,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:07,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:07,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:07,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:07,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:07,125 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:07,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:07,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:07,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:07,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:07,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:07,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:07,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:07,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:07,255 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:07,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:07,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:07,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:07,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:07,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:07,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:07,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:07,385 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:07,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:07,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:07,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:07,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:07,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:07,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:07,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:07,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:07,515 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:07,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:07,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:07,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:07,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:07,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:07,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:07,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:07,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:07,646 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:07,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:07,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:07,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:07,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:07,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:07,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:07,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:07,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:07,777 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:07,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:07,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:07,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:07,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:07,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:07,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:07,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:07,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:07,907 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:07,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:07,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:07,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:08,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:08,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:08,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:08,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:08,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:08,038 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:08,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:08,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:08,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:08,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:08,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:08,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:08,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:08,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:08,169 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:08,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:08,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:08,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:08,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:08,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:08,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:08,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:08,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:08,300 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:08,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:08,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:08,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:08,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:08,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:08,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:08,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:08,432 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:08,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:08,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:08,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:08,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:08,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:08,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:08,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:08,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:08,571 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:08,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:08,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:08,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:08,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:08,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:08,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:08,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:08,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:08,701 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:08,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:08,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:08,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:08,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:08,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:08,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:08,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:08,831 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:08,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:08,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:08,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:08,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:08,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:08,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:08,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:08,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:08,961 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:08,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:08,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:08,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:09,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:09,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:09,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:09,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:09,093 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:09,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:09,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:09,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:09,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:09,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:09,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:09,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:09,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:09,226 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:09,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:09,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:09,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:09,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:09,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:09,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:09,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:09,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:09,357 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:09,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:09,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:09,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:09,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:09,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:09,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:09,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:09,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:09,491 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:09,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:09,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:09,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:09,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:09,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:09,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:09,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:09,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:09,630 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:09,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:09,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:09,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:09,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:09,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:09,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:09,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:09,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:09,767 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:09,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:09,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:09,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:09,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:09,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:09,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:09,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:09,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:09,903 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:09,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:09,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:09,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:10,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:10,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:10,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:10,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:10,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:10,036 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:10,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:10,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:10,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:10,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:10,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:10,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:10,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:10,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:10,170 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:10,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:10,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:10,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:10,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:10,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:10,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:10,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:10,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:10,301 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:10,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:10,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:10,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:10,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:10,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:10,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:10,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:10,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:10,433 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:10,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:10,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:10,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:10,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:10,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:10,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:10,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:10,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:10,564 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:10,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:10,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:10,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:10,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:10,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:10,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:10,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:10,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:10,697 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:10,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:10,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:10,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:10,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:10,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:10,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:10,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:10,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:10,830 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:10,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:10,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:10,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:10,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:10,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:10,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:10,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:10,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:10,962 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:10,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:10,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:10,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:11,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:11,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:11,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:11,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:11,095 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:11,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:11,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:11,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:11,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:11,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:11,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:11,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:11,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:11,230 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:11,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:11,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:11,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:11,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:11,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:11,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:11,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:11,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:11,362 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:11,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:11,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:11,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:11,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:11,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:11,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:11,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:11,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:11,513 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:11,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:11,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:11,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:11,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:11,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:11,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:11,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:11,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:11,645 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:11,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:11,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:11,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:11,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:11,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:11,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:11,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:11,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:11,778 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:11,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:11,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:11,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:11,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:11,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:11,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:11,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:11,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:11,909 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:11,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:11,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:11,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:12,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:12,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:12,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:12,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:12,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:12,041 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:12,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:12,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:12,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:12,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:12,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:12,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:12,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:12,173 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:12,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:12,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:12,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:12,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:12,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:12,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:12,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:12,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:12,307 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:12,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:12,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:12,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:12,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:12,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:12,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:12,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:12,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:12,447 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:12,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:12,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:12,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:12,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:12,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:12,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:12,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:12,587 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:12,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:12,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:12,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:12,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:12,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:12,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:12,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:12,725 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:12,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:12,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:12,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:12,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:12,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:12,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:12,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:12,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:12,862 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:12,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:12,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:12,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:12,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:12,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:12,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:12,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:12,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:12,997 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:12,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:12,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:12,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:13,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:13,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:13,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:13,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:13,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:13,128 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:13,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:13,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:13,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:13,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:13,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:13,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:13,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:13,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:13,261 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:13,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:13,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:13,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:13,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:13,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:13,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:13,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:13,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:13,397 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:13,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:13,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:13,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:13,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:13,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:13,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:13,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:13,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:13,531 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:13,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:13,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:13,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:13,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:13,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:13,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:13,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:13,667 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:13,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:13,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:13,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:13,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:13,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:13,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:13,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:13,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:13,817 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:13,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:13,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:13,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:13,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:13,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:13,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:13,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:13,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:13,953 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:13,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:13,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:13,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:14,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:14,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:14,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:14,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:14,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:14,091 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:14,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:14,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:14,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:14,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:14,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:14,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:14,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:14,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:14,226 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:14,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:14,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:14,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:14,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:14,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:14,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:14,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:14,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:14,357 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:14,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:14,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:14,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:14,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:14,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:14,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:14,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:14,490 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:14,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:14,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:14,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:14,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:14,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:14,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:14,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:14,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:14,621 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:14,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:14,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:14,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:14,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:14,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:14,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:14,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:14,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:14,752 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:14,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:14,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:14,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:14,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:14,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:14,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:14,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:14,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:14,885 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:14,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:14,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:14,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:14,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:14,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:15,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:15,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:15,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:15,017 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:15,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:15,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:15,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:15,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:15,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:15,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:15,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:15,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:15,148 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:15,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:15,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:15,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:15,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:15,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:15,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:15,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:15,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:15,281 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:15,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:15,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:15,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:15,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:15,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:15,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:15,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:15,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:15,413 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:15,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:15,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:15,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:15,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:15,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:15,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:15,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:15,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:15,545 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:15,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:15,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:15,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:15,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:15,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:15,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:15,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:15,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:15,676 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:15,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:15,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:15,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:15,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:15,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:15,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:15,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:15,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:15,809 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:15,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:15,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:15,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:15,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:15,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:15,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:15,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:15,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:15,942 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:15,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:15,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:15,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:16,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:16,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:16,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:16,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:16,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:16,075 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:16,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:16,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:16,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:16,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:16,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:16,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:16,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:16,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:16,208 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:16,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:16,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:16,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:16,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:16,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:16,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:16,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:16,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:16,341 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:16,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:16,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:16,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:16,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:16,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:16,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:16,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:16,479 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:16,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:16,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:16,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:16,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:16,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:16,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:16,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:16,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:16,610 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:16,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:16,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:16,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:16,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:16,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:16,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:16,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:16,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:16,740 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:16,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:16,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:16,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:16,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:16,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:16,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:16,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:16,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:16,870 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:16,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:16,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:16,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:16,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:16,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:17,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:17,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:17,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:17,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:17,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:17,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:17,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:17,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:17,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:17,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:17,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:17,134 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:17,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:17,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:17,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:17,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:17,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:17,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:17,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:17,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:17,265 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:17,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:17,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:17,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:17,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:17,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:17,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:17,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:17,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:17,398 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:17,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:17,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:17,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:17,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:17,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:17,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:17,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:17,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:17,533 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:17,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:17,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:17,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:17,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:17,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:17,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:17,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:17,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:17,665 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:17,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:17,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:17,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:17,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:17,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:17,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:17,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:17,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:17,797 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:17,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:17,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:17,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:17,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:17,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:17,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:17,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:17,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:17,930 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:17,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:17,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:17,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:18,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:18,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:18,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:18,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:18,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:18,062 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:18,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:18,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:18,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:18,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:18,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:18,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:18,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:18,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:18,194 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:18,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:18,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:18,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:18,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:18,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:18,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:18,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:18,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:18,328 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:18,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:18,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:18,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:18,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:18,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:18,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:18,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:18,461 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:18,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:18,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:18,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:18,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:18,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:18,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:18,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:18,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:18,595 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:18,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:18,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:18,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:18,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:18,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:18,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:18,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:18,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:18,733 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:18,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:18,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:18,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:18,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:18,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:18,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:18,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:18,871 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:18,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:18,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:18,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:18,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:18,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:19,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:19,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:19,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:19,010 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:19,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:19,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:19,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:19,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:19,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:19,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:19,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:19,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:19,153 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:19,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:19,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:19,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:19,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:19,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:19,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:19,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:19,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:19,295 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:19,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:19,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:19,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:19,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:19,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:19,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:19,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:19,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:19,433 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:19,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:19,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:19,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:19,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:19,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:19,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:19,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:19,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:19,569 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:19,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:19,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:19,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:19,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:19,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:19,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:19,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:19,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:19,708 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:19,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:19,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:19,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:19,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:19,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:19,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:19,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:19,845 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:19,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:19,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:19,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:19,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:19,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:19,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:19,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:19,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:19,978 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:19,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:19,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:19,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:20,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:20,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:20,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:20,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:20,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:20,111 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:20,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:20,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:20,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:20,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:20,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:20,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:20,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:20,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:20,243 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:20,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:20,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:20,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:20,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:55:20,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:55:20,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:20,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:20,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-21 04:55:20,376 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-21 04:55:20,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:20,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:20,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat