./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a65b419-c527-4587-8879-6cc0baed6103/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a65b419-c527-4587-8879-6cc0baed6103/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a65b419-c527-4587-8879-6cc0baed6103/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a65b419-c527-4587-8879-6cc0baed6103/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array6_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a65b419-c527-4587-8879-6cc0baed6103/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a65b419-c527-4587-8879-6cc0baed6103/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81db346fb66b40514998cf838e858b3f0793fe5c74d5812efa60193ab54d6833 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:07:12,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:07:12,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:07:12,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:07:12,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:07:12,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:07:12,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:07:12,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:07:12,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:07:12,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:07:12,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:07:12,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:07:12,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:07:12,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:07:12,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:07:12,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:07:12,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:07:12,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:07:12,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:07:12,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:07:12,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:07:12,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:07:12,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:07:12,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:07:12,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:07:12,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:07:12,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:07:12,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:07:12,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:07:12,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:07:12,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:07:12,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:07:12,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:07:12,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:07:12,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:07:12,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:07:12,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:07:12,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:07:12,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:07:12,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:07:12,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:07:12,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a65b419-c527-4587-8879-6cc0baed6103/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:07:12,754 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:07:12,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:07:12,756 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:07:12,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:07:12,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:07:12,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:07:12,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:07:12,758 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:07:12,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:07:12,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:07:12,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:07:12,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:07:12,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:07:12,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:07:12,766 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:07:12,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:07:12,767 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:07:12,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:07:12,767 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:07:12,767 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:07:12,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:07:12,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:07:12,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:07:12,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:07:12,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:07:12,768 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:07:12,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:07:12,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:07:12,769 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_8a65b419-c527-4587-8879-6cc0baed6103/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a65b419-c527-4587-8879-6cc0baed6103/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81db346fb66b40514998cf838e858b3f0793fe5c74d5812efa60193ab54d6833 [2021-11-22 23:07:13,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:07:13,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:07:13,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:07:13,143 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:07:13,144 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:07:13,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a65b419-c527-4587-8879-6cc0baed6103/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-patterns/array6_pattern.c [2021-11-22 23:07:13,229 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a65b419-c527-4587-8879-6cc0baed6103/bin/ukojak-LBtLqBUTdQ/data/df5d750ee/2adc33a068b745828bbc4c0771914b23/FLAG672ae4970 [2021-11-22 23:07:13,723 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:07:13,724 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a65b419-c527-4587-8879-6cc0baed6103/sv-benchmarks/c/array-patterns/array6_pattern.c [2021-11-22 23:07:13,730 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a65b419-c527-4587-8879-6cc0baed6103/bin/ukojak-LBtLqBUTdQ/data/df5d750ee/2adc33a068b745828bbc4c0771914b23/FLAG672ae4970 [2021-11-22 23:07:14,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a65b419-c527-4587-8879-6cc0baed6103/bin/ukojak-LBtLqBUTdQ/data/df5d750ee/2adc33a068b745828bbc4c0771914b23 [2021-11-22 23:07:14,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:07:14,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:07:14,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:07:14,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:07:14,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:07:14,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:07:14" (1/1) ... [2021-11-22 23:07:14,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1727661b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:14, skipping insertion in model container [2021-11-22 23:07:14,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:07:14" (1/1) ... [2021-11-22 23:07:14,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:07:14,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:07:14,366 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_8a65b419-c527-4587-8879-6cc0baed6103/sv-benchmarks/c/array-patterns/array6_pattern.c[1356,1369] [2021-11-22 23:07:14,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:07:14,394 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:07:14,406 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_8a65b419-c527-4587-8879-6cc0baed6103/sv-benchmarks/c/array-patterns/array6_pattern.c[1356,1369] [2021-11-22 23:07:14,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:07:14,430 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:07:14,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:14 WrapperNode [2021-11-22 23:07:14,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:07:14,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:07:14,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:07:14,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:07:14,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:14" (1/1) ... [2021-11-22 23:07:14,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:14" (1/1) ... [2021-11-22 23:07:14,469 INFO L137 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2021-11-22 23:07:14,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:07:14,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:07:14,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:07:14,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:07:14,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:14" (1/1) ... [2021-11-22 23:07:14,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:14" (1/1) ... [2021-11-22 23:07:14,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:14" (1/1) ... [2021-11-22 23:07:14,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:14" (1/1) ... [2021-11-22 23:07:14,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:14" (1/1) ... [2021-11-22 23:07:14,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:14" (1/1) ... [2021-11-22 23:07:14,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:14" (1/1) ... [2021-11-22 23:07:14,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:07:14,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:07:14,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:07:14,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:07:14,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:14" (1/1) ... [2021-11-22 23:07:14,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:07:14,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a65b419-c527-4587-8879-6cc0baed6103/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:07:14,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a65b419-c527-4587-8879-6cc0baed6103/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:07:14,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a65b419-c527-4587-8879-6cc0baed6103/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:07:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:07:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-22 23:07:14,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-22 23:07:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:07:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:07:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:07:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:07:14,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:07:14,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:07:14,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:07:14,649 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:07:14,651 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:07:14,917 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:07:14,971 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:07:14,971 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:07:14,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:07:14 BoogieIcfgContainer [2021-11-22 23:07:14,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:07:14,975 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:07:14,975 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:07:14,992 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:07:14,992 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:07:14" (1/1) ... [2021-11-22 23:07:15,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:07:15,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:15,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-22 23:07:15,090 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-22 23:07:15,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:07:15,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:15,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:15,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:15,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:15,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2021-11-22 23:07:15,378 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-11-22 23:07:15,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:07:15,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:15,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:15,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:07:15,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:15,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 24 transitions. [2021-11-22 23:07:15,656 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2021-11-22 23:07:15,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:07:15,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:15,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:15,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:07:16,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:16,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 38 transitions. [2021-11-22 23:07:16,069 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2021-11-22 23:07:16,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:16,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:16,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:16,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:16,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:16,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:16,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:16,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:16,703 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:16,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:16,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:16,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:16,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:16,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:16,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:16,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:16,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:16,809 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:16,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:16,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:16,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:16,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:16,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:16,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:16,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:16,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:16,945 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:16,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:16,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:16,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:16,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:16,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:17,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:17,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:17,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:17,087 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:17,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:17,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:17,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:17,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:17,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:17,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:17,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:17,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:17,239 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:17,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:17,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:17,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:17,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:17,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:17,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:17,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:17,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:17,361 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:17,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:17,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:17,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:17,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:17,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:17,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:17,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:17,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:17,499 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:17,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:17,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:17,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:17,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:17,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:17,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:17,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:17,606 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:17,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:17,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:17,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:17,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:17,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:17,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:17,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:17,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:17,684 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:17,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:17,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:17,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:17,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:17,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:17,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:17,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:17,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:17,799 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:17,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:17,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:17,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:17,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:17,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:17,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:17,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:17,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:17,886 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:17,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:17,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:17,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:17,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:17,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:17,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:17,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:17,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:17,993 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:17,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:17,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:17,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:18,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:18,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:18,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:18,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:18,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:18,100 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:18,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:18,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:18,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:18,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:18,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:18,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:18,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:18,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:18,194 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:18,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:18,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:18,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:18,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:18,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:18,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:18,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:18,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:18,289 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:18,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:18,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:18,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:18,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:18,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:18,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:18,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:18,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:18,366 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:18,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:18,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:18,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:18,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:18,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:18,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:18,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:18,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:18,441 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:18,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:18,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:18,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:18,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:18,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:18,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:18,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:18,519 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:18,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:18,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:18,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:18,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:18,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:18,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:18,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:18,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:18,604 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:18,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:18,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:18,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:18,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:18,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:18,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:18,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:18,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:18,689 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:18,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:18,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:18,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:18,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:18,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:18,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:18,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:18,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:18,754 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:18,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:18,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:18,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:18,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:18,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:18,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:18,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:18,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:18,831 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:18,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:18,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:18,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:18,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:18,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:18,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:18,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:18,897 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:18,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:18,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:18,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:18,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:18,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:18,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:18,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:18,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:18,975 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:18,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:18,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:18,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:19,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:19,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:19,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:19,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:19,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:19,041 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:19,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:19,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:19,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:19,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:19,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:19,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:19,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:19,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:19,110 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:19,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:19,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:19,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:19,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:19,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:19,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:19,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:19,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:19,173 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:19,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:19,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:19,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:19,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:19,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:19,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:19,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:19,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:19,245 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:19,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:19,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:19,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:19,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:19,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:19,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:19,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:19,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:19,318 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:19,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:19,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:19,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:19,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:19,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:19,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:19,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:19,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:19,382 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:19,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:19,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:19,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:19,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:19,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:19,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:19,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:19,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:19,448 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:19,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:19,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:19,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:19,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:19,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:19,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:19,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:19,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:19,524 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:19,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:19,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:19,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:19,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:19,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:19,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:19,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:19,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:19,589 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:19,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:19,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:19,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:19,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:19,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:19,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:19,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:19,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:19,655 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:19,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:19,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:19,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:19,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:19,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:19,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:19,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:19,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:19,719 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:19,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:19,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:19,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:19,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:19,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:19,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:19,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:19,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:19,785 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:19,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:19,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:19,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:19,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:19,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:19,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:19,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:19,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:19,848 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:19,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:19,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:19,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:19,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:19,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:19,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:19,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:19,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:19,925 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:19,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:19,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:19,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:19,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:19,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:19,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:19,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:19,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:19,996 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:19,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:19,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:19,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:20,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:20,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:20,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:20,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:20,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:20,058 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:20,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:20,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:20,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:20,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:20,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:20,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:20,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:20,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:20,122 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:20,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:20,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:20,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:20,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:20,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:20,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:20,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:20,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:20,187 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:20,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:20,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:20,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:20,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:20,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:20,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:20,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:20,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:20,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:20,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:20,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:20,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:20,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:20,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:20,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:20,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:20,322 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:20,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:20,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:20,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:20,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:20,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:20,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:20,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:20,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:20,385 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:20,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:20,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:20,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:20,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:20,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:20,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:20,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:20,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:20,448 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:20,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:20,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:20,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:20,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:20,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:20,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:20,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:20,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:20,509 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:20,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:20,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:20,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:20,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:20,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:20,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:20,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:20,597 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:20,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:20,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:20,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:20,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:20,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:20,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:20,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:20,663 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:20,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:20,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:20,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:20,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:20,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:20,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:20,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:20,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:20,723 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:20,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:20,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:20,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:20,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:20,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:20,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:20,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:20,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:20,790 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:20,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:20,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:20,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:20,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:20,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:20,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:20,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:20,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:20,852 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:20,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:20,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:20,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:20,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:20,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:20,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:20,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:20,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:20,912 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:20,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:20,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:20,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:20,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:20,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:20,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:20,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:20,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:20,975 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:20,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:20,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:20,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:20,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:20,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:21,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:21,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:21,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:21,039 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:21,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:21,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:21,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:21,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:21,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:21,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:21,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:21,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:21,104 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:21,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:21,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:21,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:21,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:21,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:21,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:21,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:21,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:21,169 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:21,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:21,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:21,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:21,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:21,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:21,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:21,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:21,243 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:21,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:21,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:21,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:21,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:21,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:21,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:21,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:21,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:21,306 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:21,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:21,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:21,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:21,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:21,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:21,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:21,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:21,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:21,374 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:21,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:21,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:21,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:21,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:21,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:21,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:21,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:21,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:21,437 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:21,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:21,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:21,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:21,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:21,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:21,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:21,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:21,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:21,500 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:21,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:21,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:21,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:21,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:21,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:21,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:21,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:21,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:21,563 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:21,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:21,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:21,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:21,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:21,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:21,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:21,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:21,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:21,625 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:21,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:21,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:21,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:21,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:21,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:21,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:21,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:21,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:21,687 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:21,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:21,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:21,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:21,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:21,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:21,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:21,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:21,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:21,750 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:21,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:21,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:21,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:21,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:21,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:21,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:21,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:21,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:21,820 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:21,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:21,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:21,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:21,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:21,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:21,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:21,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:21,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:21,885 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:21,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:21,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:21,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:21,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:21,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:21,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:21,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:21,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:21,951 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:21,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:21,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:21,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:21,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:21,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:22,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:22,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:22,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:22,016 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:22,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:22,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:22,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:22,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:22,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:22,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:22,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:22,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:22,080 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:22,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:22,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:22,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:22,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:22,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:22,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:22,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:22,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:22,141 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:22,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:22,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:22,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:22,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:22,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:22,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:22,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:22,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:22,203 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:22,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:22,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:22,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:22,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:22,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:22,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:22,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:22,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:22,265 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:22,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:22,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:22,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:22,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:22,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:22,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:22,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:22,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:22,327 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:22,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:22,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:22,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:22,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:22,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:22,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:22,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:22,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:22,390 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:22,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:22,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:22,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:22,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:22,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:22,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:22,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:22,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:22,451 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:22,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:22,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:22,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:22,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:22,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:22,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:22,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:22,523 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:22,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:22,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:22,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:22,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:22,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:22,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:22,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:22,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:22,604 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:22,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:22,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:22,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:22,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:22,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:22,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:22,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:22,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:22,665 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:22,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:22,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:22,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:22,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:22,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:22,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:22,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:22,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:22,723 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:22,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:22,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:22,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:22,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:22,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:22,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:22,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:22,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:22,784 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:22,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:22,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:22,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:22,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:22,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:22,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:22,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:22,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:22,845 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:22,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:22,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:22,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:22,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:22,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:22,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:22,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:22,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:22,912 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:22,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:22,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:22,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:22,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:22,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:22,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:22,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:22,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:22,973 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:22,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:22,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:22,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:22,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:22,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:23,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:23,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:23,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:23,035 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:23,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:23,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:23,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:23,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:23,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:23,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:23,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:23,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:23,102 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:23,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:23,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:23,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:23,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:23,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:23,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:23,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:23,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:23,161 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:23,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:23,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:23,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:23,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:23,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:23,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:23,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:23,226 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:23,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:23,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:23,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:23,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:23,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:23,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:23,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:23,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:23,295 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:23,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:23,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:23,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:23,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:23,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:23,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:23,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:23,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:23,369 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:23,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:23,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:23,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:23,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:23,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:23,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:23,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:23,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:23,427 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:23,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:23,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:23,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:23,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:23,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:23,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:23,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:23,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:23,488 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:23,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:23,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:23,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:23,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:23,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:23,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:23,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:23,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:23,547 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:23,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:23,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:23,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:23,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:23,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:23,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:23,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:23,612 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:23,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:23,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:23,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:23,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:23,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:23,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:23,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:23,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:23,675 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:23,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:23,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:23,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:23,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:23,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:23,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:23,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:23,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:23,735 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:23,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:23,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:23,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:23,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:23,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:23,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:23,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:23,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:23,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:23,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:23,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:23,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:23,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:23,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:23,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:23,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:23,848 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:23,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:23,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:23,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:23,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:23,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:23,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:23,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:23,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:23,911 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:23,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:23,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:23,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:23,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:23,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:23,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:23,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:23,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:23,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:23,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:23,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:24,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:24,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:24,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:24,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:24,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:24,039 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:24,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:24,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:24,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:24,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:24,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:24,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:24,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:24,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:24,095 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:24,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:24,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:24,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:24,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:24,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:24,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:24,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:24,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:24,167 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:24,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:24,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:24,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:24,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:24,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:24,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:24,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:24,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:24,223 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:24,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:24,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:24,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:24,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:24,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:24,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:24,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:24,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:24,279 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:24,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:24,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:24,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:24,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:24,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:24,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:24,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:24,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:24,337 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:24,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:24,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:24,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:24,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:24,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:24,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:24,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:24,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:24,397 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:24,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:24,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:24,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:24,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:24,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:24,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:24,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:24,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:24,454 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:24,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:24,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:24,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:24,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:24,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:24,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:24,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:24,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:24,510 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:24,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:24,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:24,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:24,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:24,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:24,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:24,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:24,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:24,567 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:24,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:24,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:24,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:24,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:24,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:24,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:24,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:24,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:24,630 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:24,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:24,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:24,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:24,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:24,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:24,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:24,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:24,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:24,692 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:24,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:24,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:24,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:24,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:24,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:24,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:24,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:24,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:24,757 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:24,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:24,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:24,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:24,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:24,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:24,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:24,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:24,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:24,825 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:24,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:24,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:24,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:24,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:24,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:24,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:24,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:24,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:24,898 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:24,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:24,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:24,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:24,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:24,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:24,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:24,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:24,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:24,969 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:24,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:24,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:24,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:24,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:24,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:25,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:25,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:25,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:25,026 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:25,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:25,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:25,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:25,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:25,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:25,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:25,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:25,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:25,085 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:25,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:25,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:25,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:25,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:25,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:25,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:25,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:25,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:25,159 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:25,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:25,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:25,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:25,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:25,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:25,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:25,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:25,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:25,228 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:25,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:25,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:25,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:25,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:25,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:25,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:25,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:25,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:25,290 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:25,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:25,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:25,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:25,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:25,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:25,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:25,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:25,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:25,346 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:25,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:25,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:25,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:25,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:25,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:25,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:25,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:25,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:25,403 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:25,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:25,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:25,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:25,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:25,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:25,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:25,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:25,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:25,461 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:25,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:25,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:25,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:25,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:25,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:25,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:25,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:25,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:25,524 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:25,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:25,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:25,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:25,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:25,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:25,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:25,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:25,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:25,592 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:25,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:25,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:25,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:25,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:25,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:25,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:25,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:25,666 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:25,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:25,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:25,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:25,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:25,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:25,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:25,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:25,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:25,743 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:25,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:25,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:25,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:25,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:25,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:25,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:25,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:25,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:25,823 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:25,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:25,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:25,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:25,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:25,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:25,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:25,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:25,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:25,893 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:25,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:25,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:25,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:25,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:25,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:25,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:25,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:25,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:25,975 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:25,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:25,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:25,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:25,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:25,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:26,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:26,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:26,052 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:26,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:26,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:26,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:26,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:26,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:26,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:26,142 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:26,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:26,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:26,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:26,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:26,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:26,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:26,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:26,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:26,204 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:26,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:26,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:26,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:26,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:26,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:26,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:26,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:26,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:26,282 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:26,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:26,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:26,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:26,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:26,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:26,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:26,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:26,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:26,352 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:26,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:26,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:26,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:26,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:26,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:26,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:26,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:26,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:26,415 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:26,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:26,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:26,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:26,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:26,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:26,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:26,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:26,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:26,491 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:26,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:26,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:26,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:26,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:26,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:26,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:26,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:26,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:26,568 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:26,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:26,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:26,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:26,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:26,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:26,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:26,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:26,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:26,659 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:26,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:26,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:26,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:26,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:26,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:26,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:26,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:26,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:26,756 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:26,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:26,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:26,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:26,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:26,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:26,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:26,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:26,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:26,824 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:26,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:26,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:26,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:26,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:26,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:26,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:26,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:26,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:26,901 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:26,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:26,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:26,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:26,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:26,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:26,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:26,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:26,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:26,967 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:26,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:26,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:26,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:26,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:26,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:27,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:27,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:27,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:27,041 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:27,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:27,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:27,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:27,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:27,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:27,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:27,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:27,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:27,103 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:27,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:27,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:27,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:27,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:27,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:27,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:27,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:27,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:27,163 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:27,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:27,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:27,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:27,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:27,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:27,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:27,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:27,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:27,219 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:27,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:27,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:27,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:27,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:27,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:27,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:27,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:27,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:27,290 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:27,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:27,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:27,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:27,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:27,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:27,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:27,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:27,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:27,366 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:27,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:27,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:27,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:27,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:27,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:27,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:27,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:27,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:27,431 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:27,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:27,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:27,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:27,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:27,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:27,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:27,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:27,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:27,511 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:27,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:27,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:27,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:27,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:27,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:27,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:27,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:27,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:27,583 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:27,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:27,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:27,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:27,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:27,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:27,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:27,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:27,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:27,641 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:27,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:27,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:27,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:27,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:27,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:27,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:27,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:27,697 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:27,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:27,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:27,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:27,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:27,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:27,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:27,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:27,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:27,752 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:27,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:27,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:27,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:27,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:27,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:27,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:27,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:27,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:27,810 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:27,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:27,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:27,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:27,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:27,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:27,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:27,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:27,867 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:27,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:27,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:27,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:27,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:27,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:27,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:27,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:27,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:27,925 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:27,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:27,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:27,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:27,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:27,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:27,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:27,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:27,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:27,982 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:27,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:27,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:27,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:28,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:28,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:28,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:28,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:28,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:28,039 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:28,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:28,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:28,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:28,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:28,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:28,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:28,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:28,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:28,097 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:28,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:28,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:28,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:28,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:28,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:28,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:28,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:28,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:28,153 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:28,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:28,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:28,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:28,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:28,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:28,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:28,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:28,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:28,212 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:28,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:28,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:28,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:28,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:28,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:28,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:28,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:28,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:28,270 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:28,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:28,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:28,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:28,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:28,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:28,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:28,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:28,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:28,345 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:28,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:28,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:28,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:28,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:28,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:28,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:28,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:28,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:28,408 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:28,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:28,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:28,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:28,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:28,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:28,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:28,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:28,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:28,471 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:28,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:28,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:28,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:28,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:28,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:28,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:28,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:28,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:28,533 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:28,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:28,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:28,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:28,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:28,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:28,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:28,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:28,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:28,595 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:28,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:28,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:28,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:28,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:28,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:28,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:28,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:28,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:28,653 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:28,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:28,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:28,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:28,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:28,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:28,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:28,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:28,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:28,710 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:28,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:28,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:28,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:28,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:28,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:28,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:28,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:28,768 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:28,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:28,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:28,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:28,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:28,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:28,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:28,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:28,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:28,827 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:28,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:28,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:28,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:28,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:28,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:28,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:28,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:28,885 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:28,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:28,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:28,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:28,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:28,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:28,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:28,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:28,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:28,945 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:28,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:28,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:28,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:28,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:28,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:29,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:29,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:29,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:29,009 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:29,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:29,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:29,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:29,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:29,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:29,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:29,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:29,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:29,067 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:29,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:29,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:29,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:29,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:29,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:29,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:29,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:29,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:29,138 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:29,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:29,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:29,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:29,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:29,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:29,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:29,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:29,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:29,199 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:29,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:29,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:29,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:29,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:29,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:29,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:29,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:29,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:29,260 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:29,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:29,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:29,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:29,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:29,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:29,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:29,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:29,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:29,322 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:29,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:29,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:29,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:29,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:29,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:29,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:29,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:29,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:29,393 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:29,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:29,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:29,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:29,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:29,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:29,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:29,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:29,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:29,454 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:29,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:29,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:29,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:29,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:29,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:29,507 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:29,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:29,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:29,512 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:29,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:29,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:29,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:29,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:29,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:29,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:29,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:29,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:29,586 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:29,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:29,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:29,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:29,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:29,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:29,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:29,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:29,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:29,649 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:29,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:29,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:29,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:29,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:29,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:29,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:29,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:29,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:29,710 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:29,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:29,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:29,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:29,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:29,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:29,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:29,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:29,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:29,772 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:29,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:29,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:29,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:29,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:29,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:29,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:29,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:29,838 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:29,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:29,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:29,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:29,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:29,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:29,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:29,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:29,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:29,914 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:29,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:29,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:29,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:29,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:29,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:29,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:29,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:29,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:29,977 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:29,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:29,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:29,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:30,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:30,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:30,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:30,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:30,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:30,041 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:30,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:30,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:30,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:30,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:30,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:30,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:30,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:30,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:30,114 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:30,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:30,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:30,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:30,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:30,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:30,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:30,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:30,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:30,179 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:30,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:30,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:30,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:30,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:30,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:30,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:30,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:30,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:30,244 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:30,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:30,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:30,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:30,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:30,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:30,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:30,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:30,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:30,306 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:30,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:30,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:30,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:30,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:30,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:30,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:30,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:30,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:30,392 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:30,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:30,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:30,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:30,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:30,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:30,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:30,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:30,454 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:30,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:30,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:30,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:30,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:30,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:30,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:30,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:30,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:30,514 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:30,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:30,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:30,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:30,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:30,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:30,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:30,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:30,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:30,575 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:30,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:30,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:30,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:30,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:30,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:30,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:30,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:30,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:30,637 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:30,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:30,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:30,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:30,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:30,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:30,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:30,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:30,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:30,705 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:30,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:30,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:30,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:30,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:30,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:30,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:30,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:30,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:30,764 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:30,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:30,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:30,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:30,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:30,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:30,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:30,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:30,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:30,820 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:30,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:30,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:30,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:30,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:30,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:30,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:30,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:30,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:30,878 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:30,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:30,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:30,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:30,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:30,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:30,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:30,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:30,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:30,936 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:30,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:30,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:30,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:30,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:30,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:30,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:30,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:30,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:30,994 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:30,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:30,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:30,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:31,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:31,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:31,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:31,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:31,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:31,069 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:31,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:31,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:31,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:31,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:31,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:31,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:31,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:31,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:31,138 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:31,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:31,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:31,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:31,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:31,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:31,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:31,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:31,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:31,207 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:31,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:31,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:31,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:31,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:31,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:31,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:31,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:31,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:31,271 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:31,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:31,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:31,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:31,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:31,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:31,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:31,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:31,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:31,337 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:31,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:31,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:31,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:31,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:31,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:31,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:31,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:31,406 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:31,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:31,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:31,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:31,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:31,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:31,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:31,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:31,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:31,473 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:31,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:31,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:31,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:31,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:31,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:31,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:31,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:31,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:31,536 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:31,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:31,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:31,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:31,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:31,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:31,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:31,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:31,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:31,601 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:31,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:31,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:31,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:31,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:31,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:31,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:31,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:31,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:31,685 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:31,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:31,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:31,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:31,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:31,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:31,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:31,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:31,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:31,750 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:31,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:31,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:31,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:31,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:31,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:31,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:31,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:31,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:31,817 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:31,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:31,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:31,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:31,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:31,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:31,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:31,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:31,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:31,881 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:31,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:31,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:31,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:31,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:31,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:31,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:31,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:31,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:31,946 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:31,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:31,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:31,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:31,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:31,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:32,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:32,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:32,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:32,014 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:32,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:32,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:32,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:32,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:32,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:32,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:32,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:32,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:32,085 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:32,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:32,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:32,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:32,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:32,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:32,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:32,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:32,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:32,162 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:32,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:32,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:32,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:32,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:32,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:32,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:32,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:32,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:32,231 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:32,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:32,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:32,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:32,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:32,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:32,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:32,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:32,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:32,297 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:32,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:32,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:32,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:32,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:32,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:32,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:32,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:32,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:32,360 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:32,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:32,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:32,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:32,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:32,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:32,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:32,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:32,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:32,423 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:32,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:32,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:32,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:32,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:32,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:32,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:32,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:32,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:32,487 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:32,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:32,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:32,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:32,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:32,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:32,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:32,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:32,551 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:32,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:32,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:32,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:32,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:32,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:32,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:32,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:32,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:32,617 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:32,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:32,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:32,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:32,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:32,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:32,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:32,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:32,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:32,682 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:32,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:32,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:32,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:32,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:32,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:32,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:32,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:32,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:32,751 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:32,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:32,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:32,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:32,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:32,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:32,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:32,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:32,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:32,824 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:32,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:32,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:32,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:32,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:32,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:32,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:32,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:32,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:32,886 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:32,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:32,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:32,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:32,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:32,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:32,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:32,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:32,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:32,951 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:32,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:32,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:32,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:32,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:32,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:33,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:33,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:33,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:33,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:33,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:33,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:33,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:33,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:33,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:33,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:33,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:33,101 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:33,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:33,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:33,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:33,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:33,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:33,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:33,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:33,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:33,182 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:33,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:33,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:33,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:33,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:33,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:33,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:33,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:33,252 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:33,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:33,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:33,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:33,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:33,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:33,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:33,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:33,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:33,318 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:33,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:33,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:33,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:33,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:33,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:33,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:33,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:33,386 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:33,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:33,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:33,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:33,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:33,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:33,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:33,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:33,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:33,451 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:33,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:33,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:33,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:33,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:33,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:33,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:33,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:33,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:33,507 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:33,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:33,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:33,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:33,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:33,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:33,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:33,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:33,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:33,565 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:33,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:33,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:33,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:33,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:33,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:33,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:33,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:33,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:33,621 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:33,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:33,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:33,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:33,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:33,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:33,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:33,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:33,678 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:33,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:33,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:33,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:33,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:33,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:33,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:33,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:33,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:33,741 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:33,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:33,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:33,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:33,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:33,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:33,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:33,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:33,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:33,803 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:33,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:33,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:33,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:33,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:33,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:33,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:33,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:33,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:33,873 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:33,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:33,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:33,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:33,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:33,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:33,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:33,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:33,945 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:33,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:33,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:33,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:33,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:33,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:34,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:34,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:34,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:34,015 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:34,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:34,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:34,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:34,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:34,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:34,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:34,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:34,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:34,081 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:34,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:34,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:34,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:34,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:34,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:34,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:34,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:34,175 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:34,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:34,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:34,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:34,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:34,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:34,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:34,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:34,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:34,244 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:34,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:34,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:34,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:34,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:34,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:34,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:34,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:34,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:34,299 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:34,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:34,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:34,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:34,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:34,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:34,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:34,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:34,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:34,374 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:34,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:34,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:34,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:34,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:34,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:34,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:34,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:34,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:34,437 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:34,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:34,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:34,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:34,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:34,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:34,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:34,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:34,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:34,495 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:34,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:34,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:34,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:34,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:34,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:34,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:34,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:34,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:34,553 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:34,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:34,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:34,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:34,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:34,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:34,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:34,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:34,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:34,612 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:34,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:34,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:34,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:34,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:34,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:34,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:34,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:34,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:34,670 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:34,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:34,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:34,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:34,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:34,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:34,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:34,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:34,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:34,727 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:34,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:34,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:34,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:34,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:34,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:34,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:34,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:34,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:34,785 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:34,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:34,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:34,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:34,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:34,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:34,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:34,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:34,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:34,846 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:34,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:34,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:34,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:34,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:34,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:34,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:34,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:34,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:34,905 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:34,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:34,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:34,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:34,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:34,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:34,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:34,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:34,960 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:34,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:34,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:34,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:34,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:34,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:35,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:35,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:35,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:35,016 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:35,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:35,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:35,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:35,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:35,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:35,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:35,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:35,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:35,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:35,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:35,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:35,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:35,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:35,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:35,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:35,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:35,138 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:35,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:35,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:35,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:35,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:35,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:35,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:35,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:35,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:35,196 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:35,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:35,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:35,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:35,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:35,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:35,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:35,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:35,253 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:35,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:35,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:35,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:35,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:35,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:35,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:35,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:35,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:35,309 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:35,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:35,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:35,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:35,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:35,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:35,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:35,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:35,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:35,367 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:35,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:35,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:35,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:35,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:35,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:35,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:35,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:35,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:35,423 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:35,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:35,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:35,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:35,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:35,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:35,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:35,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:35,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:35,481 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:35,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:35,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:35,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:35,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:35,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:35,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:35,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:35,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:35,540 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:35,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:35,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:35,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:35,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:35,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:35,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:35,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:35,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:35,598 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:35,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:35,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:35,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:35,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:35,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:35,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:35,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:35,654 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:35,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:35,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:35,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:35,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:35,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:35,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:35,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:35,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:35,712 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:35,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:35,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:35,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:35,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:35,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:35,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:35,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:35,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:35,770 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:35,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:35,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:35,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:35,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:35,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:35,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:35,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:35,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:35,827 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:35,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:35,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:35,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:35,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:35,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:35,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:35,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:35,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:35,885 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:35,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:35,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:35,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:35,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:35,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:35,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:35,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:35,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:35,947 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:35,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:35,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:35,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:35,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:35,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:36,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:36,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:36,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:36,021 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:36,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:36,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:36,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:36,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:36,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:36,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:36,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:36,081 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:36,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:36,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:36,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:36,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:36,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:36,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:36,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:36,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:36,138 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:36,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:36,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:36,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:36,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:36,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:36,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:36,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:36,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:36,194 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:36,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:36,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:36,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:36,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:36,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:36,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:36,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:36,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:36,252 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:36,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:36,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:36,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:36,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:36,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:36,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:36,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:36,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:36,310 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:36,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:36,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:36,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:36,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:36,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:36,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:36,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:36,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:36,367 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:36,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:36,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:36,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:36,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:36,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:36,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:36,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:36,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:36,424 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:36,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:36,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:36,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:36,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:36,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:36,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:36,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:36,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:36,481 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:36,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:36,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:36,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:36,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:36,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:36,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:36,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:36,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:36,537 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:36,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:36,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:36,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:36,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:36,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:36,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:36,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:36,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:36,595 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:36,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:36,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:36,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:36,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:36,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:36,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:36,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:36,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:36,660 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:36,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:36,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:36,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:36,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:36,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:36,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:36,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:36,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:36,721 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:36,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:36,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:36,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:36,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:36,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:36,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:36,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:36,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:36,778 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:36,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:36,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:36,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:36,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:36,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:36,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:36,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:36,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:36,836 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:36,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:36,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:36,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:36,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:36,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:36,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:36,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:36,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:36,892 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:36,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:36,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:36,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:36,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:36,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:36,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:36,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:36,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:36,977 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:36,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:36,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:36,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:36,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:37,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:37,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:37,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:37,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:37,036 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:37,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:37,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:37,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:37,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:37,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:37,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:37,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:37,096 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:37,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:37,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:37,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:37,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:37,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:37,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:37,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:37,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:37,168 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:37,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:37,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:37,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:37,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:37,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:37,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:37,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:37,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:37,236 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:37,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:37,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:37,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:37,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:37,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:37,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:37,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:37,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:37,304 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:37,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:37,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:37,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:37,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:37,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:37,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:37,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:37,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:37,368 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:37,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:37,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:37,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:37,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:37,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:37,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:37,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:37,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:37,441 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:37,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:37,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:37,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:37,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:37,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:37,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:37,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:37,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:37,499 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:37,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:37,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:37,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:37,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:37,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:37,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:37,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:37,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:37,566 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:37,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:37,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:37,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:37,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:37,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:37,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:37,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:37,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:37,624 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:37,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:37,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:37,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:37,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:37,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:37,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:37,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:37,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:37,683 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:37,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:37,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:37,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:37,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:37,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:37,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:37,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:37,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:37,740 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:37,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:37,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:37,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:37,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:37,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:37,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:37,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:37,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:37,797 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:37,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:37,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:37,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:37,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:37,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:37,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:37,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:37,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:37,852 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:37,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:37,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:37,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:37,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:37,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:37,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:37,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:37,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:37,921 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:37,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:37,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:37,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:37,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:37,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:37,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:37,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:37,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:37,988 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:37,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:37,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:37,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:38,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:38,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:38,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:38,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:38,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:38,053 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:38,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:38,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:38,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:38,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:38,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:38,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:38,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:38,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:38,121 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:38,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:38,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:38,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:38,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:38,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:38,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:38,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:38,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:38,180 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:38,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:38,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:38,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:38,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:38,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:38,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:38,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:38,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:38,243 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:38,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:38,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:38,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:38,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:38,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:38,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:38,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:38,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:38,309 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:38,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:38,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:38,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:38,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:38,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:38,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:38,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:38,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:38,367 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:38,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:38,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:38,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:38,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:38,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:38,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:38,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:38,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:38,423 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:38,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:38,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:38,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:38,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:38,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:38,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:38,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:38,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:38,480 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:38,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:38,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:38,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:38,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:38,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:38,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:38,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:38,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:38,536 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:38,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:38,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:38,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:38,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:38,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:38,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:38,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:38,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:38,595 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:38,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:38,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:38,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:38,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:38,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:38,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:38,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:38,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:38,655 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:38,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:38,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:38,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:38,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:38,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:38,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:38,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:38,713 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:38,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:38,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:38,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:38,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:38,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:38,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:38,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:38,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:38,771 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:38,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:38,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:38,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:38,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:38,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:38,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:38,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:38,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:38,829 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:38,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:38,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:38,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:38,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:38,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:38,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:38,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:38,892 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:38,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:38,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:38,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:38,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:38,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:38,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:38,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:38,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:38,958 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:38,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:38,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:38,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:38,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:38,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:39,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:39,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:39,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:39,014 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:39,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:39,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:39,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:39,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:39,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:39,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:39,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:39,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:39,072 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:39,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:39,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:39,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:39,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:39,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:39,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:39,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:39,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:39,127 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:39,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:39,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:39,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:39,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:39,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:39,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:39,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:39,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:39,183 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:39,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:39,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:39,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:39,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:39,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:39,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:39,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:39,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:39,242 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:39,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:39,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:39,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:39,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:39,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:39,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:39,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:39,296 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:39,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:39,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:39,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:39,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:39,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:39,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:39,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:39,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:39,367 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:39,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:39,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:39,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:39,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:39,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:39,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:39,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:39,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:39,439 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:39,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:39,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:39,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:39,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:39,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:39,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:39,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:39,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:39,490 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:39,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:39,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:39,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:39,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:39,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:39,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:39,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:39,552 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:39,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:39,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:39,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:39,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:39,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:39,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:39,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:39,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:39,640 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:39,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:39,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:39,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:39,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:39,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:39,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:39,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:39,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:39,699 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:39,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:39,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:39,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:39,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:39,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:39,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:39,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:39,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:39,759 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:39,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:39,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:39,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:39,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:39,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:39,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:39,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:39,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:39,832 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:39,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:39,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:39,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:39,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:39,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:39,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:39,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:39,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:39,890 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:39,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:39,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:39,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:39,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:39,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:39,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:39,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:39,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:39,949 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:39,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:39,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:39,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:39,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:39,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:40,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:40,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:40,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:40,010 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:40,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:40,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:40,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:40,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:40,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:40,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:40,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:40,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:40,067 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:40,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:40,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:40,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:40,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:40,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:40,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:40,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:40,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:40,124 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:40,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:40,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:40,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:40,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:40,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:40,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:40,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:40,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:40,180 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:40,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:40,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:40,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:40,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:40,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:40,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:40,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:40,236 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:40,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:40,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:40,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:40,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:40,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:40,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:40,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:40,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:40,294 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:40,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:40,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:40,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:40,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:40,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:40,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:40,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:40,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:40,409 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:40,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:40,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:40,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:40,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:40,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:40,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:40,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:40,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:40,502 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:40,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:40,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:40,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:40,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:40,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:40,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:40,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:40,560 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:40,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:40,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:40,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:40,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:40,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:40,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:40,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:40,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:40,619 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:40,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:40,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:40,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:40,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:40,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:40,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:40,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:40,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:40,679 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:40,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:40,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:40,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:40,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:40,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:40,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:40,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:40,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:40,736 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:40,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:40,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:40,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:40,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:40,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:40,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:40,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:40,810 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:40,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:40,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:40,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:40,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:40,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:40,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:40,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:40,866 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:40,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:40,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:40,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:40,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:40,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:40,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:40,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:40,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:40,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:40,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:40,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:40,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:40,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:40,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:40,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:40,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:40,987 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:40,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:40,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:40,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:41,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:41,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:41,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:41,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:41,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:41,052 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:41,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:41,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:41,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:41,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:41,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:41,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:41,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:41,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:41,111 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:41,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:41,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:41,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:41,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:41,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:41,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:41,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:41,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:41,170 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:41,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:41,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:41,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:41,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:41,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:41,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:41,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:41,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:41,227 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:41,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:41,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:41,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:41,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:41,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:41,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:41,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:41,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:41,285 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:41,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:41,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:41,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:41,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:41,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:41,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:41,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:41,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:41,347 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:41,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:41,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:41,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:41,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:41,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:41,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:41,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:41,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:41,412 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:41,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:41,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:41,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:41,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:41,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:41,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:41,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:41,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:41,476 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:41,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:41,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:41,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:41,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:41,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:41,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:41,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:41,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:41,540 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:41,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:41,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:41,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:41,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:41,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:41,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:41,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:41,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:41,612 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:41,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:41,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:41,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:41,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:41,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:41,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:41,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:41,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:41,677 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:41,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:41,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:41,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:41,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:41,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:41,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:41,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:41,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:41,762 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:41,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:41,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:41,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:41,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:41,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:41,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:41,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:41,839 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:41,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:41,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:41,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:41,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:41,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:41,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:41,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:41,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:41,905 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:41,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:41,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:41,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:41,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:41,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:41,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:41,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:41,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:41,962 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:41,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:41,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:41,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:41,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:41,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:42,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:42,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:42,026 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:42,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:42,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:42,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:42,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:42,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:42,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:42,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:42,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:42,080 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:42,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:42,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:42,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:42,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:42,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:42,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:42,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:42,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:42,136 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:42,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:42,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:42,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:42,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:42,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:42,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:42,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:42,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:42,199 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:42,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:42,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:42,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:42,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:42,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:42,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:42,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:42,266 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:42,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:42,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:42,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:42,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:42,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:42,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:42,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:42,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:42,331 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:42,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:42,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:42,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:42,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:42,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:42,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:42,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:42,398 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:42,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:42,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:42,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:42,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:42,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:42,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:42,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:42,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:42,464 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:42,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:42,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:42,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:42,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:42,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:42,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:42,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:42,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:42,532 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:42,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:42,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:42,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:42,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:42,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:42,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:42,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:42,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:42,596 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:42,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:42,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:42,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:42,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:42,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:42,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:42,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:42,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:42,665 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:42,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:42,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:42,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:42,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:42,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:42,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:42,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:42,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:42,737 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:42,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:42,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:42,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:42,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:42,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:42,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:42,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:42,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:42,810 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:42,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:42,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:42,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:42,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:42,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:42,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:42,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:42,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:42,876 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:42,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:42,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:42,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:42,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:42,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:42,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:42,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:42,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:42,933 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:42,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:42,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:42,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:42,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:42,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:42,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:43,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:43,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:43,003 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:43,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:43,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:43,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:43,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:43,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:43,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:43,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:43,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:43,074 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:43,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:43,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:43,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:43,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:43,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:43,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:43,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:43,142 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:43,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:43,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:43,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:43,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:43,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:43,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:43,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:43,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:43,209 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:43,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:43,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:43,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:43,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:43,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:43,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:43,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:43,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:43,262 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:43,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:43,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:43,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:43,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:43,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:43,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:43,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:43,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:43,330 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:43,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:43,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:43,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:43,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:43,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:43,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:43,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:43,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:43,385 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:43,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:43,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:43,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:43,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:43,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:43,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:43,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:43,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:43,455 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:43,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:43,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:43,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:43,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:43,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:43,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:43,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:43,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:43,530 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:43,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:43,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:43,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:43,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:43,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:43,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:43,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:43,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:43,593 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:43,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:43,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:43,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:43,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:43,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:43,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:43,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:43,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:43,645 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:43,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:43,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:43,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:43,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:43,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:43,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:43,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:43,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:43,699 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:43,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:43,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:43,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:43,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:43,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:43,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:43,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:43,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:43,788 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:43,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:43,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:43,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:43,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:43,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:43,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:43,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:43,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:43,857 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:43,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:43,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:43,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:43,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:43,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:43,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:43,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:43,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:43,913 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:43,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:43,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:43,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:43,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:43,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:43,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:43,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:43,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:43,970 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:43,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:43,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:43,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:43,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:43,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:44,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:44,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:44,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:44,027 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:44,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:44,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:44,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:44,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:44,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:44,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:44,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:44,082 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:44,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:44,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:44,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:44,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:44,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:44,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:44,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:44,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:44,136 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:44,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:44,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:44,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:44,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:44,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:44,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:44,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:44,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:44,216 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:44,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:44,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:44,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:44,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:44,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:44,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:44,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:44,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:44,278 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:44,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:44,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:44,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:44,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:44,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:44,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:44,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:44,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:44,338 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:44,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:44,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:44,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:44,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:44,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:44,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:44,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:44,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:44,398 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:44,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:44,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:44,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:44,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:44,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:44,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:44,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:44,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:44,457 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:44,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:44,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:44,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:44,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:44,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:44,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:44,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:44,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:44,518 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:44,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:44,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:44,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:44,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:44,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:44,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:44,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:44,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:44,577 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:44,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:44,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:44,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:44,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:44,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:44,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:44,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:44,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:44,636 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:44,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:44,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:44,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:44,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:44,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:44,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:44,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:44,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:44,695 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:44,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:44,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:44,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:44,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:44,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:44,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:44,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:44,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:44,762 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:44,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:44,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:44,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:44,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:44,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:44,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:44,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:44,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:44,821 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:44,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:44,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:44,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:44,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:44,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:44,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:44,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:44,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:44,879 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:44,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:44,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:44,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:44,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:44,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:44,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:44,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:44,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:44,936 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:44,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:44,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:44,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:44,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:44,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:44,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:44,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:44,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:44,997 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:44,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:44,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:44,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:45,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:45,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:45,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:45,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:45,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:45,056 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:45,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:45,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:45,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:45,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:45,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:45,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:45,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:45,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:45,114 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:45,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:45,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:45,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:45,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:45,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:45,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:45,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:45,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:45,174 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:45,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:45,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:45,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:45,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:45,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:45,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:45,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:45,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:45,232 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:45,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:45,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:45,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:45,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:45,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:45,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:45,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:45,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:45,293 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:45,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:45,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:45,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:45,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:45,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:45,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:45,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:45,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:45,354 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:45,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:45,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:45,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:45,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:45,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:45,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:45,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:45,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:45,424 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:45,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:45,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:45,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:45,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:45,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:45,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:45,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:45,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:45,484 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:45,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:45,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:45,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:45,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:45,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:45,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:45,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:45,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:45,543 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:45,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:45,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:45,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:45,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:45,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:45,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:45,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:45,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:45,601 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:45,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:45,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:45,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:45,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:45,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:45,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:45,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:45,658 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:45,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:45,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:45,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:45,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:45,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:45,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:45,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:45,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:45,724 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:45,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:45,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:45,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:45,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:45,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:45,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:45,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:45,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:45,779 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:45,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:45,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:45,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:45,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:45,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:45,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:45,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:45,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:45,835 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:45,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:45,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:45,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:45,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:45,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:45,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:45,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:45,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:45,891 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:45,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:45,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:45,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:45,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:45,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:45,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:45,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:45,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:45,949 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:45,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:45,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:45,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:45,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:45,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:46,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:46,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:46,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:46,004 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:46,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:46,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:46,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:46,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:46,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:46,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:46,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:46,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:46,060 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:46,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:46,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:46,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:46,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:46,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:46,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:46,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:46,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:46,123 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:46,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:46,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:46,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:46,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:46,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:46,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:46,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:46,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:46,182 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:46,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:46,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:46,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:46,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:46,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:46,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:46,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:46,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:46,241 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:46,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:46,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:46,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:46,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:46,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:46,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:46,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:46,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:46,299 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:46,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:46,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:46,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:46,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:46,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:46,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:46,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:46,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:46,359 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:46,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:46,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:46,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:46,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:46,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:46,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:46,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:46,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:46,421 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:46,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:46,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:46,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:46,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:46,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:46,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:46,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:46,502 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:46,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:46,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:46,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:46,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:46,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:46,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:46,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:46,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:46,561 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:46,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:46,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:46,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:46,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:46,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:46,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:46,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:46,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:46,628 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:46,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:46,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:46,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:46,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:46,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:46,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:46,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:46,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:46,687 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:46,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:46,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:46,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:46,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:46,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:46,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:46,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:46,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:46,746 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:46,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:46,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:46,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:46,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:46,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:46,802 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:46,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:46,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:46,807 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:46,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:46,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:46,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:46,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:46,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:46,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:46,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:46,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:46,870 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:46,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:46,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:46,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:46,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:46,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:46,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:46,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:46,927 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:46,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:46,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:46,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:46,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:46,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:46,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:46,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:46,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:46,987 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:46,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:46,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:46,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:47,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:47,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:47,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:47,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:47,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:47,056 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:47,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:47,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:47,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:47,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:47,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:47,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:47,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:47,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:47,122 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:47,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:47,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:47,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:47,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:47,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:47,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:47,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:47,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:47,180 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:47,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:47,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:47,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:47,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:47,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:47,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:47,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:47,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:47,232 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:47,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:47,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:47,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:47,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:47,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:47,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:47,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:47,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:47,314 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:47,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:47,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:47,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:47,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:47,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:47,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:47,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:47,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:47,380 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:47,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:47,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:47,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:47,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:47,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:47,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:47,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:47,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:47,451 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:47,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:47,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:47,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:47,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:47,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:47,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:47,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:47,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:47,521 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:47,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:47,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:47,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:47,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:47,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:47,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:47,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:47,591 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:47,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:47,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:47,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:47,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:47,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:47,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:47,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:47,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:47,666 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:47,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:47,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:47,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:47,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:47,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:47,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:47,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:47,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:47,732 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:47,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:47,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:47,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:47,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:47,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:47,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:47,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:47,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:47,800 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:47,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:47,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:47,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:47,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:47,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:47,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:47,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:47,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:47,863 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:47,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:47,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:47,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:47,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:47,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:47,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:47,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:47,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:47,913 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:47,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:47,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:47,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:47,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:47,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:47,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:47,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:47,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:47,998 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:47,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:47,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:47,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:48,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:48,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:48,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:48,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:48,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:48,058 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:48,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:48,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:48,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:48,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:48,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:48,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:48,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:48,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:48,119 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:48,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:48,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:48,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:48,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:48,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:48,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:48,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:48,178 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:48,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:48,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:48,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:48,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:48,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:48,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:48,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:48,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:48,238 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:48,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:48,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:48,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:48,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:48,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:48,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:48,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:48,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:48,318 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:48,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:48,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:48,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:48,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:48,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:48,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:48,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:48,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:48,383 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:48,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:48,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:48,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:48,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:48,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:48,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:48,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:48,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:48,440 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:48,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:48,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:48,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:48,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:48,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:48,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:48,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:48,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:48,493 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:48,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:48,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:48,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:48,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:48,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:48,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:48,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:48,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:48,544 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:48,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:48,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:48,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:48,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:48,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:48,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:48,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:48,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:48,612 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:48,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:48,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:48,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:48,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:48,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:48,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:48,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:48,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:48,671 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:48,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:48,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:48,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:48,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:48,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:48,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:48,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:48,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:48,742 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:48,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:48,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:48,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:48,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:48,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:48,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:48,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:48,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:48,808 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:48,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:48,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:48,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:48,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:48,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:48,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:48,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:48,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:48,874 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:48,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:48,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:48,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:48,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:48,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:48,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:48,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:48,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:48,936 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:48,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:48,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:48,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:48,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:48,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:48,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:48,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:48,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:48,991 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:48,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:48,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:48,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:49,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:49,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:49,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:49,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:49,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:49,045 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:49,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:49,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:49,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:49,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:49,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:49,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:49,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:49,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:49,109 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:49,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:49,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:49,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:49,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:49,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:49,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:49,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:49,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:49,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:49,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:49,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:49,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:49,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:49,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:49,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:49,212 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:49,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:49,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:49,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:49,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:49,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:49,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:49,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:49,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:49,268 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:49,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:49,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:49,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:49,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:49,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:49,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:49,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:49,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:49,328 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:49,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:49,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:49,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:49,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:49,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:49,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:49,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:49,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:49,379 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:49,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:49,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:49,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:49,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:49,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:49,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:49,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:49,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:49,456 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:49,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:49,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:49,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:49,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:49,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:49,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:49,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:49,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:49,525 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:49,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:49,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:49,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:49,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:49,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:49,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:49,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:49,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:49,602 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:49,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:49,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:49,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:49,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:49,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:49,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:49,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:49,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:49,672 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:49,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:49,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:49,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:49,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:49,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:49,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:49,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:49,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:49,735 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:49,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:49,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:49,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:49,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:49,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:49,802 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:49,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:49,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:49,806 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:49,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:49,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:49,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:49,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:49,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:49,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:49,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:49,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:49,879 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:49,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:49,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:49,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:49,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:49,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:49,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:49,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:49,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:49,947 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:49,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:49,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:49,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:49,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:49,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:50,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:50,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:50,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:50,006 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:50,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:50,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:50,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:50,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:50,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:50,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:50,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:50,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:50,063 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:50,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:50,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:50,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:50,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:50,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:50,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:50,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:50,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:50,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:50,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:50,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:50,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:50,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:50,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:50,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:50,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:50,180 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:50,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:50,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:50,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:50,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:50,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:50,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:50,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:50,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:50,237 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:50,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:50,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:50,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:50,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:50,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:50,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:50,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:50,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:50,289 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:50,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:50,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:50,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:50,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:50,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:50,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:50,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:50,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:50,359 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:50,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:50,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:50,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:50,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:50,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:50,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:50,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:50,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:50,422 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:50,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:50,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:50,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:50,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:50,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:50,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:50,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:50,476 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:50,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:50,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:50,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:50,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:50,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:50,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:50,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:50,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:50,545 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:50,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:50,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:50,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:50,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:50,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:50,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:50,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:50,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:50,614 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:50,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:50,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:50,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:50,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:50,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:50,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:50,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:50,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:50,672 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:50,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:50,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:50,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:50,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:50,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:50,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:50,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:50,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:50,729 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:50,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:50,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:50,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:50,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:50,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:50,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:50,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:50,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:50,789 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:50,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:50,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:50,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:50,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:50,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:50,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:50,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:50,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:50,843 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:50,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:50,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:50,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:50,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:50,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:50,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:50,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:50,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:50,916 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:50,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:50,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:50,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:50,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:50,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:50,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:50,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:50,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:50,985 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:50,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:50,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:50,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:51,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:51,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:51,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:51,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:51,052 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:51,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:51,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:51,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:51,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:51,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:51,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:51,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:51,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:51,120 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:51,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:51,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:51,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:51,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:51,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:51,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:51,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:51,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:51,191 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:51,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:51,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:51,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:51,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:51,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:51,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:51,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:51,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:51,241 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:51,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:51,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:51,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:51,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:51,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:51,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:51,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:51,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:51,310 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:51,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:51,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:51,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:51,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:51,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:51,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:51,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:51,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:51,376 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:51,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:51,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:51,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:51,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:51,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:51,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:51,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:51,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:51,435 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:51,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:51,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:51,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:51,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:51,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:51,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:51,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:51,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:51,499 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:51,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:51,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:51,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:51,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:51,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:51,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:51,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:51,561 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:51,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:51,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:51,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:51,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:51,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:51,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:51,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:51,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:51,627 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:51,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:51,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:51,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:51,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:51,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:51,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:51,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:51,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:51,690 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:51,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:51,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:51,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:51,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:51,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:51,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:51,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:51,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:51,745 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:51,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:51,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:51,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:51,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:51,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:51,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:51,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:51,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:51,813 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:51,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:51,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:51,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:51,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:51,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:51,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:51,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:51,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:51,862 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:51,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:51,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:51,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:51,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:51,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:51,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:51,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:51,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:51,933 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:51,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:51,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:51,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:51,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:51,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:51,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:52,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:52,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:52,001 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:52,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:52,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:52,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:52,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:52,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:52,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:52,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:52,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:52,067 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:52,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:52,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:52,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:52,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:52,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:52,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:52,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:52,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:52,134 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:52,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:52,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:52,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:52,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:52,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:52,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:52,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:52,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:52,214 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:52,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:52,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:52,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:52,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:52,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:52,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:52,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:52,273 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:52,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:52,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:52,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:52,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:52,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:52,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:52,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:52,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:52,331 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:52,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:52,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:52,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:52,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:52,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:52,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:52,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:52,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:52,385 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:52,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:52,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:52,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:52,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:52,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:52,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:52,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:52,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:52,437 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:52,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:52,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:52,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:52,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:52,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:52,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:52,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:52,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:52,487 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:52,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:52,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:52,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:52,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:52,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:52,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:52,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:52,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:52,551 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:52,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:52,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:52,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:52,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:52,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:52,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:52,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:52,621 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:52,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:52,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:52,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:52,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:52,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:52,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:52,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:52,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:52,684 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:52,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:52,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:52,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:52,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:52,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:52,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:52,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:52,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:52,745 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:52,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:52,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:52,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:52,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:52,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:52,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:52,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:52,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:52,807 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:52,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:52,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:52,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:52,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:52,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:52,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:52,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:52,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:52,869 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:52,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:52,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:52,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:52,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:52,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:52,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:52,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:52,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:52,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:52,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:52,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:52,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:52,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:52,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:52,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:52,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:52,995 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:52,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:52,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:52,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:53,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:53,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:53,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:53,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:53,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:53,061 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:53,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:53,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:53,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:53,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:53,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:53,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:53,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:53,120 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:53,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:53,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:53,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:53,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:53,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:53,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:53,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:53,177 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:53,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:53,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:53,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:53,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:53,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:53,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:53,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:53,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:53,237 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:53,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:53,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:53,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:53,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:53,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:53,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:53,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:53,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:53,291 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:53,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:53,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:53,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:53,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:53,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:53,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:53,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:53,342 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:53,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:53,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:53,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:53,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:53,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:53,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:53,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:53,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:53,393 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:53,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:53,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:53,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:53,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:53,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:53,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:53,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:53,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:53,445 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:53,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:53,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:53,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:53,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:53,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:53,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:53,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:53,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:53,531 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:53,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:53,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:53,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:53,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:53,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:53,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:53,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:53,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:53,596 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:53,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:53,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:53,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:53,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:53,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:53,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:53,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:53,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:53,666 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:53,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:53,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:53,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:53,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:53,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:53,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:53,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:53,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:53,733 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:53,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:53,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:53,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:53,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:53,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:53,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:53,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:53,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:53,800 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:53,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:53,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:53,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:53,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:53,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:53,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:53,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:53,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:53,868 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:53,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:53,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:53,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:53,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:53,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:53,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:53,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:53,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:53,934 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:53,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:53,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:53,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:53,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:53,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:53,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:53,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:54,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:54,000 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:54,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:54,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:54,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:54,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:54,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:54,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:54,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:54,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:54,057 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:54,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:54,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:54,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:54,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:54,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:54,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:54,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:54,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:54,108 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:54,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:54,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:54,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:54,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:54,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:54,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:54,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:54,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:54,158 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:54,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:54,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:54,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:54,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:54,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:54,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:54,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:54,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:54,222 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:54,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:54,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:54,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:54,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:54,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:54,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:54,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:54,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:54,285 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:54,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:54,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:54,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:54,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:54,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:54,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:54,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:54,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:54,350 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:54,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:54,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:54,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:54,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:54,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:54,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:54,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:54,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:54,414 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:54,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:54,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:54,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:54,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:54,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:54,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:54,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:54,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:54,485 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:54,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:54,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:54,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:54,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:54,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:54,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:54,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:54,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:54,549 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:54,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:54,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:54,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:54,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:54,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:54,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:54,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:54,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:54,608 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:54,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:54,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:54,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:54,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:54,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:54,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:54,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:54,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:54,668 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:54,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:54,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:54,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:54,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:54,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:54,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:54,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:54,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:54,727 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:54,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:54,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:54,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:54,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:54,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:54,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:54,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:54,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:54,787 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:54,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:54,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:54,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:54,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:54,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:54,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:54,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:54,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:54,846 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:54,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:54,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:54,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:54,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:54,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:54,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:54,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:54,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:54,907 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:54,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:54,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:54,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:54,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:54,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:54,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:54,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:54,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:54,968 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:54,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:54,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:54,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:54,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:54,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:55,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:55,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:55,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:55,020 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:55,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:55,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:55,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:55,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:55,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:55,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:55,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:55,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:55,071 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:55,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:55,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:55,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:55,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:55,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:55,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:55,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:55,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:55,121 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:55,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:55,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:55,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:55,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:55,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:55,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:55,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:55,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:55,174 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:55,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:55,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:55,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:55,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:55,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:55,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:55,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:55,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:55,226 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:55,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:55,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:55,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:55,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:55,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:55,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:55,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:55,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:55,277 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:55,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:55,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:55,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:55,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:55,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:55,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:55,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:55,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:55,339 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:55,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:55,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:55,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:55,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:55,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:55,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:55,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:55,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:55,417 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:55,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:55,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:55,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:55,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:55,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:55,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:55,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:55,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:55,484 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:55,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:55,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:55,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:55,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:55,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:55,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:55,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:55,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:55,538 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:55,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:55,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:55,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:55,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:55,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:55,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:55,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:55,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:55,589 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:55,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:55,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:55,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:55,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:55,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:55,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:55,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:55,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:55,644 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:55,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:55,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:55,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:55,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:55,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:55,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:55,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:55,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:55,715 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:55,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:55,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:55,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:55,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:55,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:55,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:55,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:55,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:55,777 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:55,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:55,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:55,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:55,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:55,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:55,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:55,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:55,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:55,837 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:55,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:55,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:55,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:55,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:55,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:55,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:55,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:55,890 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:55,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:55,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:55,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:55,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:55,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:55,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:55,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:55,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:55,941 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:55,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:55,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:55,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:55,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:55,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:55,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:55,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:55,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:55,991 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:55,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:55,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:55,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:56,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:56,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:56,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:56,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:56,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:56,042 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:56,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:56,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:56,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:56,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:56,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:56,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:56,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:56,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:56,100 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:56,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:56,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:56,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:56,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:56,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:56,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:56,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:56,183 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:56,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:56,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:56,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:56,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:56,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:56,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:56,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:56,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:56,248 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:56,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:56,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:56,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:56,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:56,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:56,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:56,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:56,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:56,302 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:56,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:56,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:56,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:56,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:56,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:56,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:56,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:56,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:56,365 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:56,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:56,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:56,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:56,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:56,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:56,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:56,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:56,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:56,439 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:56,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:56,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:56,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:56,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:56,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:56,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:56,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:56,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:56,505 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:56,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:56,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:56,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:56,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:56,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:56,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:56,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:56,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:56,573 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:56,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:56,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:56,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:56,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:56,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:56,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:56,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:56,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:56,639 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:56,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:56,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:56,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:56,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:56,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:56,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:56,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:56,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:56,704 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:56,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:56,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:56,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:56,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:56,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:56,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:56,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:56,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:56,774 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:56,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:56,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:56,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:56,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:56,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:56,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:56,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:56,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:56,840 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:56,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:56,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:56,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:56,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:56,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:56,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:56,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:56,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:56,907 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:56,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:56,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:56,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:56,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:56,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:56,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:56,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:56,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:56,975 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:56,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:56,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:56,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:57,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:57,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:57,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:57,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:57,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:57,041 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:57,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:57,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:57,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:57,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:57,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:57,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:57,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:57,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:57,108 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:57,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:57,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:57,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:57,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:57,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:57,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:57,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:57,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:57,173 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:57,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:57,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:57,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:57,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:57,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:57,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:57,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:57,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:57,242 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:57,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:57,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:57,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:57,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:57,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:57,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:57,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:57,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:57,312 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:57,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:57,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:57,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:57,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:57,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:57,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:57,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:57,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:57,382 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:57,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:57,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:57,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:57,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:57,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:57,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:57,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:57,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:57,452 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:57,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:57,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:57,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:57,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:57,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:57,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:57,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:57,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:57,519 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:57,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:57,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:57,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:57,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:57,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:57,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:57,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:57,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:57,590 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:57,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:57,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:57,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:57,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:57,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:57,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:57,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:57,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:57,652 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:57,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:57,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:57,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:57,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:57,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:57,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:57,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:57,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:57,708 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:57,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:57,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:57,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:57,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:57,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:57,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:57,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:57,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:57,771 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:57,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:57,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:57,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:57,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:57,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:57,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:57,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:57,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:57,827 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:57,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:57,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:57,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:57,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:57,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:57,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:57,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:57,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:57,877 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:57,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:57,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:57,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:57,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:57,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:57,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:57,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:57,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:57,930 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:57,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:57,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:57,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:57,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:57,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:57,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:57,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:57,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:57,981 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:57,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:57,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:57,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:58,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:58,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:58,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:58,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:58,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:58,034 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:58,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:58,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:58,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:58,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:58,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:58,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:58,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:58,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:58,084 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:58,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:58,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:58,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:58,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:58,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:58,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:58,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:58,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:58,136 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:58,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:58,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:58,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:58,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:58,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:58,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:58,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:58,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:58,187 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:58,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:58,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:58,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:58,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:58,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:58,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:58,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:58,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:58,237 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:58,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:58,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:58,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:58,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:58,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:58,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:58,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:58,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:58,294 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:58,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:58,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:58,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:58,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:58,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:58,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:58,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:58,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:58,344 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:58,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:58,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:58,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:58,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:58,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:58,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:58,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:58,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:58,420 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:58,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:58,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:58,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:58,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:58,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:58,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:58,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:58,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:58,470 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:58,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:58,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:58,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:58,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:58,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:58,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:58,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:58,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:58,542 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:58,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:58,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:58,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:58,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:58,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:58,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:58,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:58,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:58,609 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:58,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:58,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:58,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:58,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:58,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:58,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:58,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:58,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:58,676 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:58,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:58,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:58,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:58,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:58,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:58,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:58,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:58,744 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:58,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:58,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:58,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:58,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:58,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:58,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:58,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:58,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:58,813 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:58,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:58,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:58,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:58,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:58,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:58,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:58,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:58,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:58,884 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:58,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:58,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:58,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:58,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:58,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:58,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:58,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:58,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:58,956 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:58,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:58,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:58,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:58,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:58,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:59,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:59,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:59,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:59,028 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:59,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:59,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:59,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:59,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:59,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:59,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:59,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:59,099 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:59,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:59,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:59,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:59,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:59,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:59,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:59,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:59,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:59,156 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:59,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:59,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:59,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:59,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:59,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:59,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:59,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:59,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:59,221 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:59,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:59,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:59,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:59,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:59,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:59,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:59,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:59,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:59,273 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:59,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:59,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:59,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:59,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:59,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:59,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:59,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:59,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:59,331 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:59,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:59,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:59,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:59,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:59,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:59,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:59,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:59,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:59,381 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:59,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:59,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:59,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:59,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:59,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:59,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:59,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:59,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:59,448 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:59,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:59,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:59,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:59,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:59,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:59,497 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:59,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:59,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:59,500 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:59,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:59,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:59,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:59,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:59,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:59,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:59,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:59,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:59,550 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:59,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:59,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:59,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:59,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:59,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:59,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:59,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:59,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:59,601 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:59,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:59,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:59,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:59,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:59,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:59,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:59,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:59,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:59,652 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:59,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:59,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:59,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:59,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:59,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:59,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:59,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:59,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:59,712 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:59,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:59,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:59,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:59,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:59,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:59,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:59,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:59,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:59,773 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:59,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:59,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:59,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:59,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:59,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:59,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:59,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:59,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:59,827 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:59,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:59,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:59,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:59,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:59,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:59,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:59,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:59,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:59,885 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:59,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:59,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:59,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:59,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:59,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:59,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:59,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:59,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:59,936 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:59,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:59,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:59,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:59,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:07:59,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:07:59,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:07:59,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:59,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:07:59,987 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:07:59,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:07:59,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:59,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:00,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:00,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:00,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:00,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:00,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:00,038 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:00,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:00,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:00,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:00,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:00,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:00,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:00,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:00,101 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:00,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:00,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:00,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:00,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:00,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:00,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:00,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:00,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:00,158 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:00,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:00,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:00,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:00,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:00,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:00,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:00,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:00,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:00,220 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:00,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:00,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:00,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:00,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:00,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:00,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:00,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:00,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:00,271 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:00,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:00,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:00,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:00,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:00,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:00,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:00,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:00,324 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:00,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:00,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:00,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:00,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:00,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:00,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:00,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:00,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:00,384 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:00,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:00,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:00,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:00,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:00,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:00,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:00,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:00,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:00,434 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:00,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:00,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:00,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:00,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:00,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:00,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:00,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:00,488 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:00,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:00,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:00,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:00,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:00,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:00,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:00,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:00,544 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:00,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:00,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:00,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:00,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:00,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:00,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:00,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:00,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:00,616 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:00,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:00,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:00,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:00,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:00,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:00,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:00,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:00,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:00,679 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:00,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:00,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:00,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:00,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:00,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:00,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:00,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:00,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:00,741 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:00,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:00,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:00,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:00,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:00,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:00,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:00,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:00,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:00,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:00,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:00,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:00,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:00,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:00,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:00,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:00,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:00,875 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:00,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:00,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:00,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:00,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:00,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:00,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:00,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:00,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:00,937 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:00,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:00,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:00,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:00,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:00,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:00,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:01,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:01,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:01,002 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:01,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:01,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:01,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:01,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:01,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:01,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:01,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:01,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:01,067 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:01,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:01,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:01,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:01,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:01,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:01,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:01,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:01,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:01,137 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:01,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:01,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:01,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:01,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:01,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:01,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:01,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:01,205 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:01,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:01,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:01,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:01,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:01,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:01,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:01,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:01,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:01,271 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:01,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:01,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:01,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:01,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:01,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:01,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:01,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:01,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:01,338 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:01,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:01,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:01,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:01,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:01,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:01,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:01,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:01,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:01,403 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:01,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:01,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:01,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:01,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:01,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:01,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:01,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:01,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:01,469 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:01,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:01,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:01,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:01,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:01,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:01,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:01,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:01,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:01,525 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:01,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:01,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:01,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:01,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:01,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:01,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:01,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:01,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:01,587 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:01,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:01,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:01,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:01,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:01,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:01,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:01,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:01,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:01,637 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:01,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:01,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:01,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:01,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:01,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:01,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:01,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:01,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:01,688 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:01,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:01,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:01,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:01,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:01,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:01,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:01,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:01,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:01,740 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:01,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:01,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:01,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:01,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:01,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:01,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:01,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:01,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:01,791 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:01,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:01,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:01,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:01,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:01,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:01,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:01,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:01,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:01,842 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:01,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:01,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:01,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:01,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:01,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:01,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:01,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:01,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:01,898 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:01,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:01,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:01,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:01,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:01,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:01,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:01,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:01,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:01,950 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:01,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:01,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:01,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:01,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:01,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:01,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:02,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:02,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:02,001 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:02,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:02,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:02,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:02,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:02,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:02,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:02,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:02,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:02,058 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:02,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:02,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:02,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:02,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:02,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:02,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:02,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:02,109 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:02,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:02,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:02,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:02,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:02,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:02,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:02,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:02,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:02,160 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:02,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:02,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:02,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:02,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:02,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:02,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:02,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:02,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:02,210 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:02,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:02,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:02,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:02,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:02,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:02,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:02,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:02,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:02,278 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:02,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:02,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:02,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:02,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:02,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:02,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:02,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:02,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:02,339 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:02,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:02,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:02,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:02,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:02,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:02,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:02,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:02,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:02,404 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:02,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:02,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:02,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:02,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:02,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:02,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:02,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:02,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:02,469 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:02,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:02,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:02,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:02,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:02,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:02,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:02,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:02,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:02,535 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:02,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:02,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:02,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:02,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:02,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:02,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:02,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:02,595 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:02,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:02,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:02,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:02,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:02,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:02,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:02,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:02,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:02,647 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:02,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:02,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:02,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:02,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:02,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:02,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:02,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:02,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:02,700 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:02,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:02,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:02,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:02,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:02,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:02,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:02,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:02,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:02,753 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:02,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:02,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:02,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:02,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:02,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:02,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:02,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:02,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:02,804 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:02,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:02,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:02,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:02,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:02,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:02,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:02,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:02,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:02,856 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:02,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:02,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:02,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:02,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:02,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:02,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:02,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:02,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:02,915 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:02,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:02,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:02,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:02,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:02,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:02,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:02,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:02,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:02,966 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:02,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:02,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:02,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:02,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:02,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:03,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:03,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:03,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:03,017 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:03,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:03,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:03,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:03,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:03,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:03,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:03,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:03,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:03,069 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:03,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:03,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:03,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:03,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:03,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:03,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:03,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:03,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:03,123 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:03,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:03,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:03,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:03,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:03,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:03,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:03,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:03,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:03,189 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:03,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:03,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:03,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:03,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:03,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:03,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:03,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:03,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:03,242 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:03,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:03,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:03,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:03,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:03,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:03,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:03,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:03,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:03,293 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:03,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:03,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:03,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:03,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:03,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:03,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:03,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:03,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:03,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:03,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:03,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:03,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:03,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:03,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:03,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:03,395 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:03,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:03,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:03,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:03,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:03,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:03,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:03,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:03,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:03,446 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:03,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:03,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:03,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:03,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:03,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:03,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:03,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:03,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:03,501 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:03,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:03,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:03,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:03,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:03,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:03,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:03,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:03,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:03,552 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:03,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:03,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:03,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:03,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:03,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:03,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:03,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:03,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:03,604 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:03,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:03,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:03,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:03,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:03,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:03,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:03,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:03,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:03,655 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:03,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:03,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:03,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:03,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:03,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:03,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:03,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:03,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:03,707 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:03,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:03,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:03,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:03,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:03,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:03,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:03,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:03,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:03,766 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:03,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:03,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:03,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:03,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:03,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:03,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:03,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:03,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:03,816 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:03,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:03,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:03,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:03,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:03,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:03,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:03,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:03,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:03,879 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:03,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:03,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:03,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:03,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:03,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:03,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:03,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:03,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:03,930 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:03,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:03,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:03,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:03,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:03,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:03,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:03,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:03,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:03,981 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:03,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:03,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:03,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:04,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:04,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:04,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:04,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:04,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:04,059 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:04,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:04,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:04,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:04,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:04,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:04,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:04,128 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:04,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:04,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:04,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:04,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:04,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:04,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:04,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:04,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:04,196 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:04,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:04,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:04,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:04,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:04,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:04,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:04,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:04,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:04,264 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:04,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:04,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:04,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:04,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:04,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:04,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:04,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:04,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:04,330 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:04,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:04,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:04,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:04,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:04,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:04,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:04,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:04,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:04,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:04,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:04,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:04,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:04,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:04,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:04,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:04,464 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:04,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:04,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:04,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:04,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:04,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:04,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:04,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:04,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:04,530 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:04,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:04,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:04,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:04,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:04,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:04,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:04,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:04,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:04,596 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:04,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:04,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:04,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:04,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:04,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:04,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:04,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:04,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:04,654 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:04,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:04,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:04,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:04,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:04,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:04,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:04,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:04,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:04,715 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:04,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:04,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:04,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:04,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:04,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:04,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:04,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:04,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:04,773 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:04,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:04,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:04,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:04,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:04,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:04,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:04,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:04,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:04,827 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:04,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:04,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:04,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:04,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:04,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:04,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:04,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:04,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:04,878 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:04,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:04,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:04,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:04,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:04,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:04,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:04,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:04,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:04,934 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:04,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:04,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:04,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:04,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:04,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:04,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:04,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:04,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:04,985 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:04,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:04,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:04,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:05,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:05,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:05,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:05,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:05,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:05,037 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:05,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:05,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:05,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:05,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:05,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:05,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:05,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:05,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:05,090 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:05,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:05,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:05,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:05,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:05,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:05,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:05,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:05,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:05,141 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:05,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:05,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:05,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:05,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:05,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:05,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:05,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:05,214 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:05,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:05,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:05,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:05,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:05,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:05,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:05,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:05,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:05,282 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:05,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:05,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:05,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:05,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:05,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:05,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:05,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:05,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:05,348 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:05,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:05,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:05,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:05,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:05,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:05,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:05,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:05,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:05,405 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:05,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:05,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:05,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:05,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:05,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:05,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:05,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:05,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:05,459 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:05,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:05,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:05,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:05,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:05,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:05,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:05,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:05,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:05,532 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:05,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:05,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:05,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:05,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:05,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:05,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:05,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:05,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:05,609 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:05,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:05,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:05,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:05,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:05,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:05,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:05,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:05,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:05,673 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:05,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:05,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:05,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:05,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:05,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:05,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:05,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:05,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:05,726 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:05,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:05,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:05,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:05,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:05,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:05,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:05,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:05,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:05,776 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:05,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:05,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:05,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:05,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:05,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:05,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:05,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:05,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:05,827 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:05,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:05,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:05,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:05,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:05,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:05,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:05,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:05,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:05,879 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:05,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:05,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:05,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:05,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:05,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:05,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:05,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:05,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:05,931 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:05,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:05,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:05,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:05,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:05,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:05,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:05,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:05,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:05,983 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:05,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:05,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:05,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:06,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:06,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:06,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:06,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:06,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:06,035 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:06,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:06,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:06,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:06,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:06,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:06,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:06,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:06,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:06,087 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:06,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:06,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:06,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:06,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:06,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:06,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:06,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:06,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:06,139 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:06,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:06,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:06,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:06,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:06,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:06,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:06,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:06,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:06,198 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:06,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:06,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:06,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:06,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:06,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:06,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:06,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:06,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:06,250 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:06,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:06,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:06,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:06,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:06,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:06,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:06,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:06,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:06,304 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:06,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:06,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:06,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:06,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:06,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:06,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:06,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:06,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:06,356 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:06,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:06,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:06,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:06,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:06,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:06,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:06,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:06,416 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:06,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:06,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:06,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:06,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:06,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:06,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:06,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:06,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:06,481 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:06,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:06,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:06,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:06,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:06,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:06,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:06,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:06,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:06,540 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:06,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:06,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:06,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:06,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:06,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:06,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:06,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:06,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:06,592 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:06,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:06,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:06,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:06,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:06,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:06,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:06,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:06,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:06,643 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:06,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:06,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:06,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:06,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:06,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:06,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:06,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:06,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:06,693 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:06,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:06,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:06,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:06,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:06,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:06,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:06,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:06,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:06,745 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:06,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:06,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:06,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:06,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:06,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:06,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:06,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:06,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:06,797 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:06,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:06,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:06,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:06,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:06,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:06,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:06,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:06,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:06,849 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:06,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:06,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:06,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:06,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:08:06,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:08:06,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:08:06,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:06,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:08:06,902 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:08:06,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:08:06,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:06,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:06,923 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. [2021-11-22 23:17:22,071 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:22,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:22,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:22,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:22,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:22,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:22,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:22,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:22,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:22,222 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:22,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:22,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:22,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:22,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:22,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:22,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:22,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:22,371 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:22,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:22,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:22,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:22,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:22,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:22,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:22,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:22,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:22,517 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:22,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:22,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:22,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:22,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:22,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:22,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:22,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:22,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:22,654 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:22,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:22,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:22,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:22,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:22,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:22,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:22,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:22,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:22,799 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:22,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:22,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:22,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:22,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:22,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:22,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:22,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:22,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:22,941 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:22,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:22,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:22,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:23,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:23,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:23,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:23,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:23,083 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:23,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:23,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:23,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:23,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:23,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:23,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:23,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:23,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:23,225 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:23,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:23,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:23,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:23,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:23,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:23,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:23,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:23,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:23,371 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:23,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:23,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:23,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:23,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:23,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:23,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:23,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:23,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:23,506 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:23,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:23,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:23,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:23,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:23,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:23,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:23,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:23,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:23,633 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:23,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:23,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:23,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:23,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:23,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:23,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:23,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:23,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:23,768 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:23,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:23,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:23,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:23,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:23,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:23,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:23,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:23,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:23,909 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:23,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:23,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:23,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:24,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:24,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:24,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:24,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:24,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:24,049 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:24,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:24,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:24,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:24,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:24,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:24,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:24,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:24,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:24,191 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:24,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:24,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:24,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:24,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:24,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:24,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:24,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:24,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:24,333 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:24,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:24,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:24,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:24,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:24,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:24,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:24,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:24,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:24,478 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:24,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:24,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:24,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:24,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:24,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:24,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:24,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:24,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:24,622 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:24,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:24,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:24,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:24,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:24,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:24,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:24,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:24,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:24,759 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:24,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:24,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:24,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:24,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:24,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:24,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:24,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:24,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:24,894 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:24,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:24,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:24,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:25,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:25,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:25,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:25,047 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:25,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:25,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:25,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:25,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:25,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:25,190 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:25,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:25,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:25,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:25,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:25,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:25,336 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:25,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:25,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:25,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:25,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:25,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:25,480 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:25,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:25,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:25,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:25,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:25,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:25,626 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:25,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:25,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:25,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:25,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:25,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:25,759 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:25,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:25,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:25,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:25,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:25,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:25,897 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:25,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:25,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:26,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:26,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:26,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:26,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:26,042 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:26,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:26,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:26,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:26,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:26,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:26,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:26,187 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:26,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:26,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:26,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:26,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:26,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:26,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:26,329 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:26,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:26,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:26,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:26,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:26,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:26,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:26,475 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:26,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:26,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:26,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:26,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:26,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:26,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:26,621 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:26,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:26,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:26,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:26,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:26,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:26,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:26,765 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:26,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:26,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:26,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:26,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:26,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:26,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:26,911 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:26,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:26,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:27,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:27,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:27,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:27,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:27,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:27,056 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:27,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:27,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:27,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:27,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:27,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:27,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:27,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:27,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:27,197 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:27,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:27,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:27,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:27,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:27,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:27,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:27,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:27,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:27,348 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:27,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:27,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:27,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:27,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:27,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:27,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:27,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:27,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:27,494 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:27,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:27,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:27,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:27,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:27,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:27,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:27,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:27,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:27,636 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:27,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:27,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:27,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:27,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:27,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:27,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:27,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:27,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:27,782 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:27,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:27,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:27,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:27,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:27,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:27,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:27,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:27,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:27,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:27,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:28,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:28,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:28,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:28,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:28,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:28,068 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:28,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:28,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:28,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:28,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:28,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:28,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:28,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:28,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:28,200 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:28,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:28,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:28,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:28,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:28,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:28,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:28,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:28,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:28,340 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:28,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:28,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:28,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:28,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:28,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:28,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:28,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:28,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:28,486 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:28,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:28,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:28,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:28,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:28,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:28,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:28,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:28,630 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:28,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:28,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:28,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:28,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:28,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:28,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:28,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:28,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:28,772 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:28,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:28,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:28,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:28,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:28,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:28,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:28,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:28,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:28,916 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:28,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:28,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:28,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:29,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:29,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:29,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:29,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:29,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:29,064 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:29,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:29,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:29,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:29,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:29,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:29,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:29,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:29,207 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:29,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:29,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:29,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:29,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:29,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:29,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:29,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:29,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:29,352 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:29,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:29,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:29,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:29,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:29,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:29,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:29,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:29,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:29,507 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:29,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:29,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:29,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:29,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:29,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:29,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:29,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:29,649 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:29,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:29,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:29,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:29,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:29,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:29,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:29,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:29,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:29,793 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:29,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:29,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:29,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:29,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:29,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:29,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:29,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:29,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:29,939 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:29,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:29,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:29,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:30,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:30,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:30,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:30,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:30,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:30,085 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:30,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:30,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:30,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:30,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:30,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:30,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:30,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:30,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:30,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:30,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:30,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:30,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:30,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:30,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:30,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:30,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:30,371 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:30,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:30,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:30,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:30,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:30,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:30,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:30,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:30,517 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:30,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:30,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:30,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:30,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:30,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:30,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:30,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:30,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:30,645 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:30,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:30,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:30,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:30,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:30,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:30,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:30,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:30,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:30,789 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:30,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:30,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:30,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:30,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:30,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:30,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:30,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:30,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:30,934 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:30,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:30,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:30,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:31,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:31,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:31,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:31,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:31,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:31,076 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:31,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:31,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:31,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:31,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:31,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:31,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:31,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:31,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:31,220 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:31,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:31,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:31,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:31,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:31,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:31,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:31,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:31,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:31,367 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:31,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:31,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:31,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:31,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:31,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:31,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:31,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:31,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:31,514 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:31,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:31,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:31,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:31,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:31,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:31,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:31,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:31,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:31,652 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:31,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:31,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:31,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:31,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:31,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:31,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:31,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:31,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:31,795 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:31,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:31,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:31,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:31,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:31,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:31,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:31,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:31,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:31,937 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:31,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:31,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:31,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:32,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:32,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:32,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:32,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:32,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:32,082 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:32,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:32,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:32,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:32,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:32,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:32,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:32,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:32,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:32,227 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:32,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:32,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:32,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:32,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:32,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:32,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:32,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:32,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:32,371 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:32,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:32,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:32,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:32,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:32,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:32,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:32,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:32,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:32,516 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:32,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:32,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:32,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:32,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:32,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:32,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:32,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:32,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:32,651 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:32,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:32,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:32,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:32,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:32,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:32,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:32,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:32,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:32,786 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:32,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:32,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:32,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:32,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:32,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:32,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:32,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:32,930 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:32,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:32,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:32,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:33,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:33,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:33,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:33,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:33,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:33,075 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:33,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:33,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:33,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:33,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:33,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:33,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:33,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:33,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:33,223 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:33,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:33,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:33,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:33,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:33,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:33,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:33,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:33,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:33,373 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:33,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:33,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:33,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:33,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:33,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:33,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:33,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:33,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:33,504 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:33,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:33,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:33,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:33,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:33,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:33,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:33,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:33,634 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:33,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:33,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:33,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:33,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:33,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:33,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:33,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:33,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:33,765 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:33,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:33,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:33,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:33,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:33,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:33,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:33,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:33,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:33,893 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:33,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:33,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:33,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:33,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:33,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:34,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:34,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:34,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:34,026 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:34,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:34,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:34,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:34,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:34,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:34,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:34,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:34,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:34,161 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:34,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:34,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:34,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:34,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:34,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:34,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:34,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:34,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:34,291 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:34,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:34,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:34,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:34,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:34,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:34,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:34,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:34,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:34,426 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:34,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:34,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:34,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:34,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:34,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:34,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:34,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:34,559 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:34,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:34,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:34,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:34,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:34,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:34,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:34,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:34,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:34,680 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:34,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:34,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:34,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:34,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:34,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:34,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:34,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:34,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:34,808 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:34,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:34,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:34,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:34,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:34,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:34,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:34,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:34,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:34,938 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:34,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:34,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:34,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:35,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:35,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:35,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:35,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:35,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:35,072 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:35,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:35,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:35,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:35,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:35,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:35,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:35,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:35,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:35,211 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:35,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:35,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:35,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:35,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:35,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:35,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:35,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:35,350 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:35,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:35,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:35,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:35,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:35,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:35,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:35,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:35,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:35,485 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:35,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:35,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:35,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:35,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:35,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:35,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:35,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:35,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:35,623 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:35,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:35,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:35,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:35,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:35,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:35,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:35,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:35,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:35,758 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:35,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:35,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:35,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:35,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:35,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:35,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:35,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:35,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:35,891 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:35,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:35,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:35,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:35,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:35,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:36,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:36,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:36,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:36,032 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:36,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:36,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:36,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:36,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:36,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:36,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:36,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:36,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:36,168 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:36,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:36,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:36,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:36,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:36,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:36,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:36,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:36,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:36,299 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:36,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:36,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:36,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:36,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:36,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:36,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:36,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:36,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:36,433 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:36,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:36,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:36,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:36,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:36,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:36,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:36,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:36,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:36,567 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:36,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:36,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:36,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:36,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:36,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:36,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:36,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:36,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:36,707 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:36,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:36,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:36,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:36,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:36,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:36,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:36,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:36,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:36,833 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:36,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:36,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:36,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:36,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:36,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:36,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:36,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:36,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:36,975 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:36,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:36,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:36,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:37,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:37,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:37,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:37,112 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:37,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:37,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:37,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:37,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:37,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:37,252 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:37,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:37,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:37,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:37,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:37,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:37,390 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:37,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:37,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:37,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:37,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:37,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:37,528 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:37,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:37,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:37,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:37,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:37,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:37,665 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:37,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:37,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:37,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:37,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:37,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:37,799 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:37,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:37,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:37,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:37,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:37,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:37,937 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:37,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:37,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:38,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:38,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:38,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:38,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:38,071 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:38,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:38,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:38,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:38,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:38,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:38,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:38,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:38,211 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:38,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:38,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:38,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:38,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:38,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:38,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:38,343 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:38,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:38,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:38,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:38,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:38,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:38,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:38,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:38,477 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:38,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:38,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:38,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:38,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:38,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:38,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:38,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:38,613 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:38,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:38,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:38,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:38,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:38,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:38,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:38,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:38,749 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:38,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:38,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:38,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:38,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:38,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:38,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:38,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:38,881 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:38,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:38,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:38,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:38,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:39,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:39,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:39,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:39,018 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:39,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:39,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:39,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:39,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:39,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:39,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:39,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:39,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:39,144 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:39,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:39,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:39,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:39,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:39,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:39,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:39,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:39,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:39,278 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:39,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:39,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:39,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:39,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:39,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:39,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:39,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:39,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:39,417 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:39,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:39,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:39,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:39,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:39,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:39,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:39,552 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:39,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:39,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:39,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:39,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:39,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:39,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:39,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:39,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:39,686 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:39,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:39,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:39,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:39,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:39,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:39,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:39,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:39,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:39,820 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:39,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:39,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:39,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:39,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:39,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:39,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:39,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:39,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:39,945 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:39,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:39,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:39,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:40,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:40,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:40,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:40,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:40,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:40,069 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:40,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:40,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:40,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:40,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:40,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:40,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:40,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:40,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:40,204 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:40,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:40,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:40,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:40,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:40,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:40,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:40,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:40,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:40,350 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:40,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:40,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:40,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:40,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:40,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:40,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:40,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:40,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:40,487 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:40,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:40,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:40,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:40,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:40,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:40,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:40,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:40,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:40,624 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:40,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:40,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:40,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:40,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:40,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:40,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:40,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:40,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:40,762 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:40,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:40,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:40,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:40,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:40,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:40,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:40,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:40,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:40,887 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:40,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:40,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:40,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:40,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:40,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:41,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:41,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:41,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:41,014 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:41,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:41,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:41,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:41,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:41,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:41,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:41,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:41,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:41,150 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:41,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:41,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:41,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:41,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:41,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:41,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:41,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:41,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:41,286 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:41,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:41,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:41,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:41,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:41,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:41,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:41,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:41,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:41,423 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:41,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:41,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:41,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:41,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:41,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:41,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:41,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:41,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:41,560 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:41,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:41,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:41,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:41,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:41,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:41,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:41,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:41,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:41,697 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:41,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:41,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:41,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:41,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:41,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:41,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:41,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:41,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:41,820 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:41,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:41,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:41,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:41,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:41,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:41,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:41,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:41,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:41,949 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:41,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:41,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:41,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:42,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:42,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:42,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:42,088 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:42,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:42,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:42,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:42,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:42,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:42,225 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:42,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:42,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:42,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:42,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:42,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:42,362 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:42,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:42,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:42,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:42,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:42,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:42,505 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:42,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:42,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:42,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:42,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:42,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:42,640 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:42,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:42,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:42,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:42,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:42,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:42,762 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:42,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:42,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:42,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:42,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:42,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:42,890 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:42,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:42,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:42,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:43,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:43,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:43,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:43,026 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:43,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:43,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:43,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:43,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:43,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:43,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:43,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:43,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:43,166 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:43,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:43,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:43,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:43,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:43,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:43,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:43,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:43,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:43,303 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:43,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:43,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:43,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:43,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:43,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:43,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:43,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:43,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:43,441 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:43,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:43,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:43,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:43,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:43,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:43,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:43,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:43,577 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:43,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:43,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:43,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:43,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:43,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:43,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:43,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:43,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:43,704 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:43,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:43,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:43,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:43,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:43,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:43,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:43,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:43,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:43,831 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:43,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:43,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:43,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:43,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:43,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:43,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:43,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:43,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:43,970 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:43,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:43,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:43,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:44,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:44,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:44,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:44,114 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:44,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:44,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:44,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:44,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:44,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:44,256 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:44,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:44,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:44,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:44,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:44,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:44,396 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:44,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:44,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:44,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:44,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:44,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:44,539 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:44,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:44,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:44,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:44,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:44,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:44,664 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:44,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:44,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:44,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:44,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:44,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:44,788 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:44,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:44,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:44,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:44,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:44,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:44,915 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:44,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:44,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:45,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:45,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:45,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:45,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:45,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:45,038 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:45,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:45,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:45,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:45,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:45,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:45,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:45,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:45,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:45,166 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:45,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:45,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:45,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:45,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:45,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:45,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:45,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:45,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:45,302 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:45,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:45,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:45,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:45,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:45,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:45,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:45,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:45,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:45,437 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:45,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:45,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:45,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:45,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:45,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:45,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:45,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:45,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:45,572 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:45,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:45,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:45,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:45,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:45,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:45,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:45,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:45,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:45,702 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:45,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:45,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:45,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:45,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:45,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:45,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:45,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:45,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:45,839 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:45,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:45,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:45,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:45,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:45,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:45,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:45,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:45,961 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:45,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:45,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:45,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:46,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:46,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:46,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:46,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:46,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:46,096 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:46,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:46,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:46,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:46,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:46,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:46,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:46,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:46,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:46,230 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:46,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:46,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:46,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:46,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:46,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:46,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:46,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:46,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:46,365 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:46,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:46,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:46,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:46,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:46,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:46,497 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:46,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:46,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:46,500 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:46,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:46,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:46,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:46,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:46,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:46,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:46,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:46,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:46,641 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:46,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:46,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:46,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:46,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:46,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:46,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:46,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:46,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:46,775 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:46,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:46,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:46,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:46,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:46,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:46,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:46,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:46,896 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:46,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:46,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:46,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:46,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:46,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:47,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:47,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:47,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:47,023 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:47,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:47,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:47,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:47,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:47,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:47,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:47,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:47,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:47,161 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:47,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:47,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:47,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:47,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:47,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:47,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:47,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:47,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:47,298 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:47,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:47,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:47,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:47,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:47,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:47,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:47,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:47,433 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:47,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:47,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:47,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:47,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:47,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:47,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:47,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:47,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:47,570 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:47,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:47,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:47,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:47,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:47,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:47,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:47,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:47,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:47,706 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:47,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:47,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:47,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:47,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:47,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:47,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:47,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:47,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:47,828 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:47,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:47,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:47,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:47,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:47,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:47,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:47,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:47,959 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:47,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:47,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:47,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:48,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:48,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:48,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:48,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:48,093 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:48,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:48,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:48,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:48,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:48,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:48,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:48,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:48,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:48,227 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:48,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:48,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:48,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:48,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:48,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:48,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:48,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:48,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:48,359 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:48,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:48,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:48,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:48,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:48,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:48,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:48,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:48,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:48,492 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:48,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:48,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:48,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:48,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:48,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:48,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:48,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:48,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:48,624 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:48,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:48,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:48,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:48,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:48,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:48,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:48,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:48,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:48,765 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:48,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:48,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:48,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:48,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:48,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:48,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:48,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:48,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:48,900 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:48,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:48,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:48,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:49,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:49,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:49,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:49,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:49,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:49,033 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:49,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:49,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:49,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:49,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:49,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:49,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:49,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:49,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:49,167 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:49,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:49,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:49,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:49,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:49,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:49,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:49,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:49,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:49,298 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:49,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:49,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:49,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:49,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:49,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:49,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:49,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:49,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:49,434 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:49,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:49,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:49,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:49,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:49,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:49,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:49,567 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:49,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:49,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:49,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:49,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:49,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:49,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:49,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:49,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:49,700 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:49,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:49,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:49,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:49,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:49,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:49,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:49,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:49,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:49,834 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:49,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:49,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:49,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:49,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:49,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:49,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:49,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:49,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:49,965 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:49,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:49,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:49,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:50,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:50,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:50,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:50,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:50,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:50,090 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:50,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:50,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:50,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:50,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:50,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:50,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:50,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:50,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:50,212 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:50,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:50,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:50,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:50,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:50,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:50,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:50,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:50,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:50,347 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:50,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:50,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:50,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:50,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:50,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:50,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:50,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:50,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:50,482 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:50,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:50,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:50,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:50,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:50,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:50,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:50,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:50,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:50,616 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:50,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:50,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:50,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:50,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:50,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:50,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:50,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:50,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:50,760 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:50,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:50,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:50,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:50,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:50,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:50,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:50,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:50,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:50,895 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:50,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:50,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:50,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:50,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:50,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:51,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:51,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:51,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:51,032 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:51,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:51,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:51,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:51,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:51,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:51,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:51,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:51,167 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:51,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:51,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:51,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:51,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:51,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:51,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:51,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:51,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:51,301 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:51,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:51,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:51,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:51,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:51,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:51,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:51,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:51,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:51,434 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:51,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:51,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:51,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:51,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:51,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:51,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:51,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:51,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:51,567 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:51,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:51,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:51,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:51,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:51,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:51,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:51,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:51,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:51,700 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:51,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:51,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:51,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:51,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:51,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:51,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:51,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:51,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:51,838 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:51,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:51,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:51,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:51,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:51,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:51,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:51,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:51,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:51,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:51,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:52,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:52,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:52,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:52,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:52,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:52,111 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:52,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:52,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:52,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:52,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:52,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:52,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:52,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:52,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:52,249 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:52,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:52,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:52,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:52,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:52,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:52,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:52,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:52,373 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:52,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:52,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:52,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:52,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:52,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:52,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:52,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:52,504 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:52,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:52,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:52,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:52,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:52,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:52,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:52,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:52,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:52,636 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:52,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:52,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:52,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:52,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:52,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:52,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:52,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:52,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:52,772 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:52,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:52,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:52,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:52,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:52,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:52,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:52,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:52,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:52,912 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:52,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:52,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:52,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:53,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:53,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:53,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:53,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:53,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:53,046 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:53,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:53,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:53,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:53,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:53,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:53,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:53,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:53,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:53,182 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:53,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:53,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:53,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:53,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:53,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:53,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:53,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:53,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:53,311 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:53,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:53,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:53,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:53,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:53,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:53,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:53,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:53,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:53,434 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:53,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:53,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:53,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:53,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:53,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:53,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:53,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:53,566 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:53,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:53,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:53,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:53,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:53,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:53,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:53,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:53,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:53,696 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:53,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:53,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:53,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:53,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:53,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:53,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:53,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:53,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:53,830 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:53,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:53,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:53,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:53,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:53,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:53,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:53,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:53,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:53,966 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:53,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:53,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:53,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:54,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:54,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:54,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:54,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:54,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:54,101 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:54,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:54,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:54,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:54,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:54,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:54,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:54,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:54,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:54,228 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:54,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:54,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:54,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:54,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:54,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:54,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:54,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:54,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:54,350 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:54,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:54,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:54,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:54,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:54,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:54,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:54,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:54,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:54,479 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:54,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:54,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:54,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:54,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:54,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:54,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:54,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:54,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:54,608 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:54,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:54,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:54,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:54,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:54,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:54,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:54,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:54,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:54,742 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:54,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:54,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:54,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:54,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:54,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:54,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:54,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:54,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:54,875 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:54,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:54,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:54,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:54,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:54,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:55,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:55,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:55,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:55,017 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:55,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:55,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:55,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:55,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:55,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:55,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:55,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:55,151 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:55,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:55,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:55,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:55,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:55,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:55,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:55,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:55,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:55,285 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:55,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:55,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:55,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:55,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:55,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:55,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:55,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:55,412 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:55,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:55,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:55,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:55,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:55,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:55,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:55,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:55,536 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:55,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:55,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:55,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:55,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:55,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:55,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:55,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:55,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:55,681 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:55,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:55,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:55,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:55,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:55,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:55,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:55,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:55,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:55,815 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:55,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:55,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:55,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:55,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:55,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:55,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:55,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:55,948 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:55,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:55,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:55,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:56,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:56,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:56,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:56,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:56,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:56,084 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:56,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:56,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:56,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:56,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:56,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:56,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:56,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:56,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:56,217 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:56,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:56,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:56,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:56,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:56,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:56,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:56,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:56,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:56,337 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:56,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:56,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:56,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:56,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:56,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:56,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:56,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:56,475 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:56,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:56,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:56,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:56,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:56,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:56,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:56,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:56,607 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:56,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:56,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:56,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:56,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:56,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:56,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:56,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:56,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:56,744 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:56,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:56,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:56,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:56,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:56,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:56,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:56,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:56,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:56,878 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:56,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:56,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:56,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:56,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:56,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:57,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:57,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:57,017 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:57,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:57,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:57,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:57,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:57,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:57,146 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:57,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:57,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:57,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:57,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:57,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:57,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:57,267 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:57,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:57,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:57,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:57,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:57,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:57,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:57,392 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:57,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:57,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:57,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:57,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:57,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:57,521 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:57,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:57,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:57,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:57,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:57,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:57,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:57,651 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:57,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:57,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:57,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:57,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:57,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:57,781 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:57,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:57,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:57,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:57,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:57,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:57,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:57,914 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:57,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:57,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:58,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:58,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:58,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:58,045 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:58,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:58,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:58,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:58,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:58,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:58,163 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:58,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:58,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:58,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:58,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:58,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:58,289 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:58,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:58,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:58,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:58,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:58,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:58,418 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:58,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:58,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:58,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:58,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:58,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:58,548 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:58,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:58,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:58,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:58,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:58,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:58,680 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:58,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:58,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:58,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:58,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:58,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:58,813 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:58,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:58,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:58,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:58,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:58,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:58,942 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:58,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:58,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:59,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:59,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:59,071 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:59,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:59,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:59,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:59,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:59,206 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:59,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:59,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:59,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:59,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:59,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:59,341 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:59,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:59,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:59,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:59,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:59,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:59,473 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:59,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:59,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:59,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:59,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:59,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:59,603 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:59,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:59,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:59,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:59,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:59,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:59,734 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:59,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:59,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:59,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:59,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:59,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:59,862 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:59,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:59,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:59,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:59,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:59,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:17:59,989 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:17:59,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:59,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:00,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:00,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:00,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:00,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:00,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:00,123 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:00,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:00,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:00,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:00,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:00,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:00,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:00,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:00,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:00,259 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:00,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:00,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:00,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:00,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:00,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:00,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:00,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:00,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:00,390 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:00,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:00,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:00,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:00,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:00,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:00,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:00,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:00,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:00,522 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:00,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:00,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:00,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:00,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:00,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:00,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:00,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:00,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:00,653 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:00,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:00,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:00,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:00,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:00,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:00,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:00,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:00,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:00,784 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:00,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:00,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:00,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:00,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:00,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:00,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:00,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:00,917 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:00,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:00,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:00,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:01,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:01,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:01,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:01,044 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:01,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:01,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:01,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:01,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:01,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:01,176 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:01,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:01,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:01,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:01,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:01,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:01,309 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:01,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:01,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:01,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:01,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:01,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:01,441 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:01,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:01,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:01,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:01,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:01,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:01,571 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:01,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:01,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:01,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:01,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:01,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:01,700 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:01,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:01,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:01,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:01,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:01,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:01,829 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:01,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:01,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:01,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:01,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:01,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:01,947 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:01,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:01,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:02,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:02,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:02,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:02,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:02,069 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:02,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:02,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:02,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:02,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:02,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:02,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:02,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:02,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:02,200 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:02,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:02,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:02,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:02,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:02,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:02,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:02,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:02,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:02,330 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:02,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:02,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:02,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:02,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:02,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:02,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:02,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:02,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:02,463 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:02,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:02,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:02,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:02,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:02,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:02,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:02,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:02,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:02,596 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:02,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:02,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:02,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:02,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:02,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:02,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:02,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:02,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:02,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:02,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:02,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:02,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:02,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:02,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:02,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:02,860 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:02,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:02,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:02,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:02,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:02,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:02,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:02,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:02,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:02,987 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:02,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:02,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:02,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:03,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:03,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:03,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:03,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:03,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:03,108 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:03,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:03,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:03,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:03,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:03,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:03,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:03,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:03,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:03,244 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:03,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:03,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:03,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:03,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:03,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:03,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:03,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:03,375 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:03,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:03,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:03,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:03,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:03,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:03,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:03,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:03,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:03,506 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:03,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:03,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:03,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:03,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:03,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:03,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:03,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:03,643 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:03,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:03,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:03,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:03,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:03,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:03,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:03,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:03,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:03,778 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:03,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:03,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:03,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:03,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:03,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:03,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:03,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:03,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:03,908 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:03,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:03,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:03,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:04,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:04,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:04,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:04,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:04,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:04,046 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:04,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:04,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:04,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:04,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:04,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:04,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:04,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:04,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:04,181 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:04,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:04,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:04,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:04,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:04,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:04,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:04,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:04,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:04,313 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:04,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:04,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:04,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:04,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:04,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:04,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:04,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:04,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:04,443 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:04,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:04,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:04,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:04,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:04,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:04,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:04,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:04,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:04,572 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:04,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:04,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:04,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:04,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:04,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:04,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:04,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:04,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:04,704 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:04,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:04,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:04,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:04,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:04,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:04,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:04,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:04,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:04,834 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:04,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:04,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:04,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:04,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:04,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:04,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:04,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:04,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:04,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:04,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:04,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:05,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:05,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:05,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:05,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:05,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:05,088 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:05,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:05,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:05,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:05,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:05,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:05,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:05,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:05,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:05,227 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:05,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:05,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:05,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:05,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:05,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:05,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:05,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:05,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:05,358 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:05,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:05,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:05,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:05,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:05,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:05,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:05,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:05,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:05,489 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:05,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:05,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:05,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:05,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:05,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:05,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:05,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:05,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:05,644 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:05,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:05,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:05,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:05,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:05,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:05,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:05,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:05,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:05,784 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:05,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:05,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:05,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:05,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:05,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:05,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:05,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:05,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:05,916 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:05,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:05,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:05,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:06,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:06,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:06,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:06,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:06,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:06,039 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:06,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:06,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:06,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:06,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:06,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:06,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:06,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:06,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:06,162 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:06,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:06,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:06,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:06,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:06,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:06,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:06,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:06,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:06,293 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:06,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:06,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:06,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:06,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:06,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:06,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:06,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:06,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:06,424 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:06,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:06,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:06,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:06,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:06,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:06,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:06,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:06,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:06,554 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:06,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:06,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:06,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:06,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:06,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:06,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:06,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:06,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:06,686 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:06,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:06,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:06,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:06,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:06,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:06,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:06,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:06,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:06,816 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:06,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:06,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:06,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:06,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:06,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:06,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:06,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:06,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:06,946 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:06,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:06,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:06,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:07,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:07,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:07,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:07,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:07,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:07,081 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:07,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:07,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:07,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:07,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:07,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:07,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:07,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:07,206 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:07,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:07,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:07,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:07,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:07,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:07,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:07,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:07,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:07,349 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:07,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:07,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:07,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:07,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:07,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:07,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:07,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:07,484 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:07,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:07,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:07,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:07,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:07,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:07,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:07,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:07,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:07,614 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:07,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:07,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:07,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:07,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:07,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:07,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:07,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:07,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:07,746 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:07,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:07,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:07,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:07,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:07,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:07,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:07,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:07,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:07,886 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:07,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:07,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:07,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:07,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:07,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:08,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:08,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:08,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:08,021 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:08,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:08,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:08,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:08,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:08,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:08,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:08,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:08,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:08,157 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:08,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:08,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:08,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:08,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:08,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:08,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:08,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:08,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:08,296 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:08,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:08,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:08,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:08,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:08,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:08,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:08,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:08,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:08,430 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:08,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:08,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:08,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:08,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:08,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:08,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:08,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:08,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:08,565 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:08,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:08,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:08,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:08,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:08,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:08,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:08,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:08,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:08,700 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:08,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:08,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:08,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:08,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:08,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:08,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:08,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:08,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:08,836 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:08,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:08,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:08,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:08,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:08,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:08,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:08,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:08,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:08,973 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:08,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:08,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:08,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:09,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:09,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:09,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:09,110 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:09,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:09,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:09,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:09,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:09,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:09,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:09,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:09,244 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:09,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:09,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:09,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:09,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:09,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:09,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:09,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:09,371 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:09,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:09,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:09,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:09,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:09,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:09,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:09,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:09,504 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:09,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:09,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:09,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:09,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:09,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:09,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:09,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:09,635 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:09,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:09,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:09,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:09,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:09,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:09,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:09,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:09,766 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:09,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:09,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:09,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:09,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:09,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:09,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:09,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:09,897 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:09,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:09,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:09,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:09,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:10,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:10,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:10,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:10,026 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:10,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:10,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:10,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:10,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:10,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:10,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:10,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:10,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:10,157 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:10,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:10,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:10,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:10,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:10,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:10,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:10,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:10,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:10,275 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:10,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:10,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:10,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:10,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:10,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:10,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:10,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:10,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:10,399 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:10,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:10,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:10,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:10,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:10,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:10,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:10,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:10,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:10,531 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:10,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:10,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:10,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:10,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:10,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:10,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:10,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:10,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:10,661 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:10,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:10,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:10,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:10,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:10,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:10,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:10,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:10,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:10,794 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:10,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:10,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:10,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:10,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:10,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:10,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:10,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:10,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:10,925 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:10,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:10,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:10,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:11,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:11,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:11,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:11,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:11,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:11,059 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:11,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:11,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:11,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:11,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:11,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:11,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:11,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:11,193 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:11,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:11,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:11,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:11,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:11,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:11,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:11,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:11,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:11,327 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:11,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:11,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:11,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:11,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:11,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:11,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:11,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:11,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:11,455 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:11,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:11,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:11,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:11,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:11,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:11,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:11,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:11,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:11,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:11,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:11,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:11,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:11,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:11,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:11,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:11,709 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:11,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:11,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:11,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:11,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:11,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:11,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:11,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:11,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:11,841 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:11,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:11,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:11,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:11,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:11,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:11,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:11,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:11,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:11,976 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:11,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:11,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:11,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:12,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:12,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:12,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:12,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:12,109 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:12,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:12,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:12,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:12,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:12,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:12,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:12,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:12,248 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:12,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:12,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:12,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:12,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:12,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:12,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:12,381 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:12,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:12,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:12,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:12,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:12,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:12,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:12,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:12,506 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:12,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:12,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:12,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:12,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:12,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:12,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:12,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:12,635 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:12,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:12,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:12,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:12,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:12,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:12,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:12,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:12,766 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:12,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:12,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:12,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:12,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:12,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:12,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:12,898 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:12,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:12,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:12,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:13,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:13,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:13,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:13,028 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:13,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:13,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:13,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:13,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:13,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:13,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:13,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:13,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:13,159 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:13,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:13,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:13,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:13,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:13,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:13,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:13,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:13,290 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:13,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:13,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:13,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:13,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:13,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:13,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:13,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:13,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:13,422 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:13,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:13,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:13,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:13,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:13,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:13,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:13,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:13,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:13,549 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:13,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:13,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:13,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:13,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:13,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:13,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:13,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:13,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:13,677 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:13,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:13,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:13,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:13,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:13,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:13,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:13,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:13,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:13,812 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:13,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:13,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:13,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:13,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:13,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:13,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:13,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:13,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:13,943 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:13,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:13,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:13,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:14,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:14,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:14,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:14,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:14,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:14,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:14,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:14,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:14,210 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:14,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:14,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:14,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:14,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:14,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:14,345 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:14,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:14,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:14,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:14,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:14,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:14,467 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:14,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:14,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:14,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:14,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:14,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:14,602 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:14,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:14,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:14,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:14,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:14,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:14,741 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:14,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:14,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:14,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:14,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:14,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:14,878 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:14,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:14,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:14,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:15,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:15,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:15,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:15,018 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:15,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:15,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:15,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:15,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:15,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:15,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:15,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:15,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:15,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:15,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:15,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:15,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:15,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:15,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:15,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:15,289 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:15,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:15,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:15,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:15,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:15,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:15,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:15,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:15,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:15,413 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:15,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:15,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:15,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:15,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:15,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:15,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:15,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:15,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:15,537 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:15,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:15,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:15,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:15,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:15,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:15,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:15,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:15,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:15,683 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:15,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:15,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:15,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:15,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:15,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:15,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:15,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:15,817 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:15,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:15,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:15,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:15,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:15,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:15,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:15,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:15,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:15,948 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:15,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:15,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:15,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:16,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:16,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:16,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:16,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:16,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:16,080 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:16,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:16,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:16,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:16,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:16,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:16,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:16,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:16,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:16,209 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:16,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:16,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:16,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:16,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:16,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:16,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:16,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:16,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:16,341 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:16,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:16,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:16,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:16,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:16,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:16,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:16,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:16,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:16,459 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:16,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:16,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:16,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:16,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:16,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:16,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:16,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:16,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:16,593 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:16,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:16,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:16,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:16,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:16,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:16,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:16,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:16,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:16,730 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:16,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:16,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:16,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:16,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:16,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:16,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:16,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:16,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:16,867 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:16,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:16,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:16,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:16,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:16,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:17,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:17,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:17,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:17,006 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:17,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:17,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:17,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:17,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:17,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:17,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:17,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:17,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:17,138 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:17,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:17,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:17,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:17,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:17,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:17,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:17,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:17,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:17,277 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:17,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:17,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:17,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:17,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:17,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:17,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:17,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:17,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:17,403 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:17,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:17,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:17,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:17,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:17,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:17,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:17,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:17,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:17,532 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:17,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:17,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:17,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:17,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:17,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:17,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:17,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:17,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:17,673 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:17,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:17,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:17,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:17,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:17,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:17,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:17,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:17,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:17,813 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:17,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:17,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:17,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:17,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:17,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:17,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:17,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:17,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:17,947 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:17,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:17,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:17,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:18,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:18,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:18,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:18,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:18,079 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:18,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:18,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:18,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:18,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:18,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:18,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:18,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:18,213 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:18,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:18,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:18,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:18,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:18,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:18,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:18,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:18,345 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:18,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:18,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:18,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:18,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:18,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:18,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:18,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:18,470 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:18,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:18,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:18,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:18,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:18,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:18,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:18,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:18,592 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:18,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:18,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:18,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:18,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:18,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:18,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:18,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:18,724 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:18,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:18,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:18,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:18,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:18,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:18,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:18,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:18,855 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:18,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:18,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:18,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:18,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:18,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:18,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:18,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:18,987 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:18,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:18,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:18,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:19,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:19,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:19,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:19,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:19,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:19,121 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:19,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:19,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:19,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:19,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:19,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:19,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:19,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:19,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:19,259 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:19,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:19,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:19,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:19,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:19,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:19,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:19,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:19,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:19,398 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:19,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:19,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:19,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:19,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:19,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:19,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:19,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:19,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:19,522 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:19,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:19,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:19,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:19,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:19,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:19,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:19,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:19,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:19,654 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:19,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:19,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:19,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:19,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:19,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:19,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:19,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:19,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:19,799 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:19,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:19,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:19,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:19,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:19,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:19,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:19,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:19,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:19,936 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:19,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:19,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:19,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:20,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:20,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:20,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:20,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:20,068 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:20,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:20,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:20,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:20,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:20,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:20,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:20,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:20,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:20,206 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:20,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:20,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:20,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:20,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:20,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:20,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:20,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:20,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:20,340 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:20,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:20,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:20,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:20,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:20,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:20,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:20,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:20,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:20,458 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:20,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:20,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:20,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:20,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:20,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:20,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:20,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:20,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:20,585 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:20,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:20,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:20,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:20,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:20,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:20,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:20,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:20,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:20,723 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:20,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:20,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:20,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:20,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:20,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:20,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:20,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:20,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:20,867 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:20,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:20,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:20,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:20,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:20,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:21,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:21,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:21,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:21,006 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:21,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:21,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:21,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:21,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:21,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:21,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:21,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:21,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:21,147 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:21,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:21,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:21,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:21,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:21,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:21,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:21,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:21,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:21,287 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:21,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:21,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:21,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:21,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:21,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:21,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:21,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:21,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:21,410 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:21,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:21,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:21,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:21,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:21,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:21,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:21,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:21,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:21,534 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:21,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:21,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:21,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:21,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:21,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:21,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:21,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:21,668 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:21,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:21,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:21,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:21,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:21,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:21,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:21,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:21,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:21,803 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:21,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:21,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:21,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:21,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:21,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:21,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:21,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:21,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:21,943 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:21,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:21,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:21,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:22,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:22,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:22,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:22,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:22,076 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:22,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:22,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:22,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:22,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:22,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:22,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:22,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:22,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:22,210 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:22,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:22,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:22,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:22,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:22,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:22,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:22,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:22,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:22,345 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:22,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:22,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:22,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:22,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:22,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:22,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:22,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:22,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:22,465 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:22,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:22,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:22,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:22,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:22,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:22,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:22,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:22,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:22,589 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:22,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:22,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:22,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:22,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:22,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:22,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:22,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:22,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:22,722 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:22,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:22,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:22,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:22,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:22,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:22,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:22,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:22,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:22,856 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:22,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:22,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:22,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:22,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:22,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:22,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:22,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:22,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:22,989 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:22,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:22,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:22,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:23,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:23,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:23,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:23,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:23,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:23,123 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:23,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:23,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:23,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:23,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:23,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:23,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:23,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:23,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:23,258 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:23,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:23,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:23,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:23,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:23,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:23,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:23,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:23,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:23,383 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:23,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:23,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:23,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:23,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:23,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:23,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:23,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:23,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:23,507 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:23,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:23,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:23,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:23,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:23,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:23,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:23,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:23,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:23,640 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:23,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:23,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:23,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:23,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:23,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:23,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:23,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:23,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:23,772 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:23,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:23,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:23,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:23,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:23,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:23,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:23,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:23,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:23,906 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:23,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:23,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:23,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:24,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:24,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:24,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:24,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:24,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:24,048 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:24,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:24,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:24,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:24,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:24,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:24,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:24,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:24,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:24,187 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:24,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:24,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:24,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:24,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:24,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:24,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:24,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:24,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:24,315 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:24,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:24,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:24,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:24,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:24,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:24,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:24,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:24,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:24,442 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:24,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:24,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:24,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:24,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:24,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:24,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:24,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:24,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:24,576 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:24,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:24,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:24,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:24,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:24,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:24,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:24,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:24,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:24,709 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:24,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:24,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:24,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:24,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:24,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:24,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:24,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:24,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:24,841 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:24,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:24,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:24,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:24,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:24,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:24,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:24,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:24,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:24,975 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:24,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:24,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:24,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:25,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:25,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:25,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:25,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:25,107 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:25,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:25,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:25,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:25,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:25,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:25,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:25,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:25,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:25,248 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:25,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:25,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:25,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:25,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:25,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:25,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:25,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:25,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:25,368 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:25,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:25,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:25,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:25,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:25,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:25,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:25,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:25,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:25,494 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:25,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:25,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:25,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:25,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:25,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:25,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:25,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:25,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:25,634 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:25,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:25,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:25,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:25,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:25,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:25,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:25,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:25,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:25,766 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:25,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:25,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:25,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:25,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:25,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:25,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:25,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:25,900 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:25,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:25,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:25,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:26,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:26,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:26,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:26,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:26,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:26,042 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:26,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:26,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:26,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:26,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:26,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:26,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:26,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:26,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:26,176 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:26,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:26,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:26,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:26,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:26,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:26,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:26,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:26,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:26,300 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:26,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:26,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:26,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:26,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:26,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:26,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:26,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:26,423 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:26,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:26,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:26,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:26,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:26,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:26,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:26,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:26,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:26,559 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:26,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:26,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:26,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:26,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:26,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:26,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:26,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:26,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:26,696 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:26,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:26,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:26,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:26,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:26,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:26,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:26,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:26,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:26,829 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:26,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:26,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:26,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:26,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:26,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:26,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:26,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:26,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:26,963 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:26,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:26,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:26,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:27,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:27,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:27,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:27,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:27,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:27,097 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:27,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:27,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:27,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:27,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:27,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:27,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:27,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:27,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:27,228 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:27,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:27,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:27,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:27,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:27,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:27,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:27,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:27,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:27,350 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:27,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:27,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:27,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:27,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:27,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:27,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:27,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:27,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:27,482 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:27,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:27,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:27,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:27,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:27,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:27,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:27,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:27,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:27,616 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:27,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:27,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:27,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:27,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:27,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:27,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:27,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:27,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:27,751 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:27,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:27,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:27,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:27,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:27,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:27,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:27,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:27,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:27,883 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:27,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:27,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:27,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:27,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:27,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:28,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:28,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:28,017 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:28,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:28,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:28,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:28,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:28,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:28,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:28,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:28,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:28,155 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:28,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:28,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:28,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:28,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:28,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:28,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:28,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:28,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:28,276 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:28,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:28,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:28,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:28,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:28,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:28,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:28,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:28,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:28,406 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:28,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:28,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:28,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:28,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:28,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:28,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:28,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:28,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:28,540 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:28,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:28,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:28,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:28,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:28,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:28,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:28,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:28,677 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:28,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:28,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:28,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:28,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:28,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:28,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:28,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:28,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:28,811 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:28,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:28,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:28,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:28,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:28,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:28,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:28,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:28,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:28,945 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:28,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:28,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:28,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:29,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:29,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:29,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:29,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:29,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:29,075 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:29,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:29,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:29,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:29,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:29,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:29,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:29,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:29,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:29,196 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:29,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:29,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:29,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:29,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:29,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:29,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:29,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:29,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:29,324 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:29,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:29,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:29,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:29,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:29,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:29,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:29,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:29,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:29,458 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:29,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:29,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:29,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:29,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:29,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:29,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:29,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:29,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:29,592 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:29,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:29,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:29,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:29,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:29,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:29,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:29,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:29,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:29,727 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:29,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:29,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:29,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:29,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:29,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:29,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:29,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:29,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:29,862 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:29,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:29,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:29,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:29,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:29,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:29,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:29,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:29,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:29,998 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:29,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:29,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:29,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:30,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:30,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:30,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:30,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:30,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:30,124 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:30,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:30,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:30,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:30,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:30,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:30,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:30,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:30,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:30,255 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:30,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:30,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:30,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:30,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:30,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:30,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:30,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:30,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:30,397 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:30,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:30,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:30,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:30,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:30,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:30,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:30,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:30,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:30,532 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:30,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:30,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:30,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:30,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:30,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:30,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:30,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:30,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:30,686 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:30,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:30,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:30,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:30,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:30,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:30,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:30,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:30,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:30,834 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:30,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:30,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:30,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:30,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:30,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:30,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:30,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:30,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:30,983 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:30,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:30,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:30,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:31,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:31,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:31,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:31,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:31,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:31,115 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:31,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:31,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:31,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:31,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:31,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:31,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:31,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:31,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:31,245 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:31,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:31,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:31,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:31,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:31,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:31,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:31,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:31,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:31,379 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:31,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:31,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:31,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:31,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:31,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:31,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:31,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:31,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:31,513 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:31,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:31,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:31,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:31,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:31,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:31,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:31,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:31,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:31,647 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:31,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:31,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:31,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:31,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:31,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:31,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:31,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:31,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:31,780 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:31,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:31,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:31,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:31,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:31,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:31,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:31,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:31,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:31,915 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:31,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:31,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:31,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:32,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:32,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:32,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:32,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:32,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:32,050 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:32,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:32,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:32,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:32,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:32,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:32,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:32,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:32,181 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:32,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:32,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:32,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:32,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:32,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:32,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:32,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:32,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:32,330 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:32,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:32,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:32,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:32,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:32,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:32,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:32,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:32,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:32,473 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:32,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:32,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:32,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:32,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:32,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:32,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:32,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:32,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:32,617 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:32,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:32,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:32,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:32,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:32,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:32,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:32,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:32,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:32,759 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:32,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:32,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:32,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:32,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:32,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:32,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:32,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:32,897 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:32,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:32,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:32,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:33,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:33,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:33,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:33,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:33,039 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:33,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:33,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:33,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:33,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:33,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:33,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:33,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:33,165 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:33,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:33,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:33,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:33,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:33,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:33,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:33,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:33,298 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:33,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:33,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:33,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:33,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:33,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:33,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:33,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:33,441 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:33,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:33,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:33,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:33,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:33,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:33,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:33,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:33,585 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:33,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:33,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:33,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:33,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:33,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:33,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:33,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:33,729 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:33,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:33,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:33,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:33,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:33,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:33,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:33,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:33,871 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:33,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:33,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:33,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:33,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:34,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:34,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:34,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:34,015 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:34,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:34,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:34,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:34,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:34,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:34,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:34,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:34,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:34,158 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:34,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:34,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:34,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:34,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:34,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:34,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:34,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:34,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:34,302 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:34,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:34,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:34,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:34,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:34,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:34,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:34,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:34,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:34,430 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:34,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:34,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:34,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:34,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:34,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:34,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:34,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:34,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:34,573 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:34,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:34,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:34,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:34,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:34,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:34,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:34,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:34,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:34,714 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:34,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:34,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:34,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:34,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:34,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:34,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:34,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:34,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:34,851 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:34,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:34,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:34,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:34,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:34,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:34,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:34,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:34,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:34,998 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:34,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:34,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:34,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:35,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:35,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:35,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:35,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:35,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:35,140 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:35,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:35,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:35,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:35,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:35,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:35,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:35,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:35,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:35,282 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:35,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:35,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:35,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:35,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:35,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:35,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:35,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:35,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:35,424 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:35,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:35,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:35,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:35,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:35,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:35,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:35,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:35,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:35,567 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:35,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:35,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:35,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:35,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:35,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:35,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:35,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:35,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:35,715 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:35,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:35,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:35,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:35,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:35,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:35,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:35,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:35,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:35,857 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:35,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:35,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:35,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:35,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:35,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:35,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:35,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:35,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:35,995 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:35,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:35,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:35,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:36,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:36,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:36,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:36,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:36,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:36,135 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:36,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:36,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:36,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:36,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:36,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:36,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:36,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:36,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:36,277 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:36,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:36,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:36,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:36,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:36,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:36,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:36,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:36,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:36,419 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:36,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:36,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:36,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:36,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:36,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:36,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:36,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:36,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:36,555 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:36,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:36,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:36,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:36,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:36,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:36,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:36,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:36,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:36,679 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:36,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:36,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:36,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:36,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:36,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:36,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:36,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:36,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:36,816 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:36,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:36,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:36,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:36,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:36,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:36,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:36,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:36,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:36,950 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:36,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:36,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:36,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:37,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:37,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:37,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:37,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:37,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:37,083 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:37,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:37,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:37,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:37,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:37,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:37,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:37,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:37,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:37,220 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:37,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:37,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:37,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:37,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:37,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:37,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:37,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:37,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:37,360 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:37,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:37,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:37,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:37,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:37,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:37,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:37,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:37,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:37,499 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:37,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:37,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:37,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:37,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:37,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:37,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:37,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:37,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:37,633 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:37,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:37,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:37,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:37,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:37,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:37,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:37,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:37,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:37,766 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:37,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:37,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:37,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:37,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:37,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:37,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:37,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:37,909 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:37,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:37,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:37,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:38,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:38,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:38,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:38,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:38,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:38,049 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:38,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:38,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:38,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:38,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:38,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:38,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:38,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:38,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:38,190 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:38,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:38,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:38,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:38,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:38,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:38,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:38,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:38,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:38,328 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:38,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:38,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:38,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:38,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:38,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:38,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:38,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:38,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:38,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:38,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:38,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:38,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:38,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:38,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:38,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:38,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:38,603 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:38,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:38,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:38,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:38,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:38,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:38,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:38,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:38,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:38,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:38,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:38,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:38,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:38,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:38,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:38,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:38,859 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:38,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:38,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:38,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:38,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:38,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:38,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:38,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:38,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:38,987 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:38,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:38,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:38,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:39,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:39,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:39,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:39,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:39,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:39,110 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:39,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:39,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:39,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:39,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:39,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:39,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:39,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:39,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:39,236 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:39,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:39,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:39,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:39,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:39,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:39,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:39,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:39,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:39,370 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:39,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:39,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:39,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:39,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:39,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:39,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:39,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:39,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:39,505 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:39,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:39,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:39,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:39,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:39,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:39,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:39,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:39,640 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:39,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:39,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:39,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:39,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:39,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:39,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:39,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:39,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:39,778 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:39,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:39,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:39,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:39,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:39,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:39,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:39,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:39,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:39,920 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:39,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:39,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:39,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:40,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:40,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:40,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:40,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:40,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:40,058 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:40,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:40,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:40,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:40,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:40,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:40,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:40,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:40,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:40,184 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:40,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:40,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:40,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:40,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:40,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:40,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:40,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:40,315 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:40,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:40,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:40,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:40,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:40,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:40,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:40,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:40,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:40,453 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:40,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:40,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:40,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:40,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:40,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:40,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:40,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:40,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:40,589 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:40,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:40,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:40,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:40,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:40,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:40,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:40,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:40,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:40,724 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:40,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:40,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:40,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:40,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:40,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:40,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:40,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:40,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:40,860 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:40,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:40,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:40,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:40,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:40,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:40,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:41,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:41,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:41,002 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:41,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:41,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:41,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:41,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:41,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:41,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:41,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:41,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:41,135 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:41,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:41,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:41,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:41,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:41,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:41,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:41,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:41,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:41,255 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:41,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:41,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:41,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:41,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:41,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:41,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:41,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:41,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:41,380 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:41,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:41,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:41,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:41,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:41,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:41,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:41,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:41,514 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:41,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:41,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:41,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:41,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:41,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:41,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:41,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:41,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:41,648 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:41,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:41,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:41,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:41,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:41,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:41,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:41,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:41,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:41,785 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:41,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:41,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:41,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:41,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:41,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:41,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:41,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:41,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:41,921 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:41,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:41,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:41,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:42,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:42,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:42,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:42,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:42,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:42,057 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:42,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:42,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:42,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:42,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:42,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:42,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:42,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:42,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:42,193 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:42,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:42,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:42,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:42,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:42,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:42,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:42,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:42,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:42,328 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:42,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:42,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:42,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:42,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:42,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:42,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:42,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:42,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:42,464 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:42,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:42,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:42,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:42,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:42,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:42,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:42,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:42,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:42,597 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:42,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:42,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:42,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:42,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:42,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:42,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:42,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:42,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:42,732 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:42,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:42,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:42,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:42,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:42,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:42,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:42,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:42,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:42,867 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:42,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:42,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:42,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:42,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:42,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:42,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:43,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:43,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:43,002 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:43,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:43,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:43,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:43,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:43,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:43,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:43,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:43,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:43,153 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:43,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:43,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:43,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:43,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:43,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:43,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:43,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:43,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:43,292 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:43,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:43,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:43,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:43,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:43,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:43,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:43,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:43,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:43,430 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:43,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:43,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:43,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:43,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:43,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:43,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:43,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:43,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:43,564 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:43,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:43,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:43,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:43,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:43,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:43,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:43,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:43,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:43,688 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:43,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:43,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:43,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:43,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:43,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:43,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:43,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:43,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:43,819 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:43,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:43,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:43,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:43,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:43,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:43,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:43,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:43,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:43,951 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:43,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:43,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:43,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:44,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:44,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:44,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:44,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:44,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:44,086 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:44,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:44,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:44,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:44,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:44,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:44,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:44,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:44,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:44,222 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:44,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:44,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:44,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:44,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:44,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:44,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:44,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:44,356 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:44,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:44,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:44,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:44,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:44,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:44,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:44,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:44,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:44,492 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:44,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:44,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:44,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:44,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:44,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:44,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:44,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:44,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:44,628 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:44,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:44,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:44,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:44,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:44,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:44,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:44,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:44,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:44,765 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:44,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:44,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:44,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:44,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:44,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:44,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:44,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:44,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:44,907 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:44,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:44,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:44,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:45,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:45,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:45,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:45,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:45,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:45,032 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:45,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:45,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:45,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:45,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:45,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:45,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:45,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:45,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:45,159 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:45,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:45,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:45,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:45,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:45,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:45,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:45,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:45,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:45,300 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:45,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:45,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:45,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:45,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:45,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:45,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:45,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:45,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:45,435 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:45,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:45,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:45,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:45,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:45,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:45,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:45,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:45,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:45,571 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:45,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:45,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:45,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:45,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:45,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:45,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:45,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:45,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:45,705 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:45,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:45,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:45,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:45,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:45,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:45,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:45,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:45,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:45,842 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:45,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:45,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:45,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:45,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:45,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:45,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:45,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:45,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:45,969 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:45,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:45,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:45,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:46,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:46,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:46,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:46,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:46,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:46,100 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:46,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:46,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:46,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:46,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:46,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:46,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:46,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:46,236 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:46,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:46,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:46,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:46,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:46,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:46,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:46,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:46,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:46,375 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:46,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:46,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:46,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:46,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:46,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:46,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:46,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:46,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:46,519 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:46,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:46,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:46,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:46,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:46,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:46,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:46,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:46,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:46,661 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:46,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:46,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:46,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:46,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:46,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:46,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:46,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:46,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:46,803 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:46,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:46,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:46,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:46,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:46,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:46,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:46,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:46,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:46,941 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:46,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:46,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:46,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:47,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:47,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:47,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:47,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:47,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:47,086 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:47,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:47,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:47,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:47,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:47,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:47,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:47,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:47,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:47,230 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:47,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:47,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:47,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:47,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:47,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:47,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:47,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:47,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:47,366 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:47,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:47,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:47,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:47,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:47,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:47,497 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:47,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:47,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:47,500 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:47,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:47,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:47,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:47,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:47,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:47,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:47,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:47,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:47,643 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:47,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:47,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:47,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:47,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:47,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:47,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:47,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:47,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:47,787 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:47,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:47,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:47,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:47,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:47,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:47,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:47,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:47,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:47,932 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:47,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:47,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:47,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:48,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:48,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:48,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:48,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:48,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:48,076 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:48,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:48,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:48,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:48,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:48,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:48,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:48,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:48,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:48,221 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:48,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:48,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:48,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:48,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:48,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:48,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:48,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:48,365 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:48,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:48,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:48,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:48,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:48,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:48,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:48,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:48,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:48,494 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:48,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:48,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:48,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:48,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:48,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:48,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:48,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:48,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:48,628 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:48,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:48,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:48,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:48,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:48,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:48,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:48,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:48,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:48,769 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:48,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:48,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:48,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:48,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:48,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:48,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:48,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:48,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:48,910 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:48,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:48,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:48,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:49,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:49,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:49,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:49,054 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:49,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:49,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:49,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:49,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:49,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:49,200 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:49,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:49,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:49,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:49,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:49,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:49,343 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:49,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:49,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:49,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:49,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:49,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:49,491 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:49,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:49,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:49,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:49,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:49,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:49,628 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:49,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:49,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:49,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:49,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:49,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:49,762 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:49,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:49,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:49,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:49,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:49,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:49,906 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:49,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:49,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:50,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:50,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:50,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:50,050 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:50,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:50,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:50,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:50,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:50,194 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:50,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:50,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:50,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:50,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:50,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:50,339 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:50,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:50,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:50,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:50,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:50,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:50,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:50,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:50,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:50,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:50,620 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:50,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:50,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:50,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:50,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:50,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:50,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:50,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:50,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:50,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:50,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:50,891 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:50,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:50,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:51,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:51,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:51,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:51,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:51,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:51,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:51,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:51,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:51,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:51,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:51,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:51,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:51,181 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:51,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:51,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:51,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:51,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:51,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:51,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:51,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:51,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:51,325 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:51,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:51,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:51,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:51,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:51,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:51,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:51,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:51,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:51,471 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:51,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:51,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:51,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:51,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:51,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:51,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:51,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:51,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:51,617 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:51,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:51,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:51,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:51,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:51,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:51,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:51,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:51,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:51,752 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:51,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:51,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:51,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:51,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:51,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:51,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:51,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:51,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:51,890 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:51,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:51,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:51,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:51,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:51,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:52,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:52,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:52,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:52,032 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:52,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:52,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:52,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:52,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:52,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:52,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:52,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:52,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:52,174 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:52,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:52,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:52,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:52,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:52,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:52,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:52,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:52,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:52,318 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:52,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:52,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:52,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:52,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:52,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:52,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:52,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:52,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:52,462 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:52,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:52,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:52,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:52,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:52,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:52,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:52,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:52,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:52,604 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:52,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:52,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:52,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:52,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:52,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:52,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:52,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:52,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:52,743 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:52,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:52,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:52,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:52,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:52,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:52,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:52,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:52,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:52,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:52,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:52,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:52,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:52,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:53,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:53,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:53,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:53,010 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:53,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:53,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:53,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:53,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:53,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:53,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:53,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:53,143 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:53,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:53,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:53,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:53,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:53,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:53,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:53,289 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:53,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:53,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:53,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:53,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:53,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:53,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:53,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:53,433 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:53,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:53,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:53,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:53,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:53,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:53,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:53,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:53,577 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:53,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:53,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:53,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:53,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:53,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:53,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:53,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:53,722 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:53,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:53,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:53,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:53,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:53,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:53,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:53,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:53,868 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:53,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:53,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:53,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:53,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:54,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:54,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:54,017 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:54,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:54,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:54,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:54,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:54,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:54,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:54,163 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:54,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:54,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:54,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:54,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:54,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:54,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:54,307 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:54,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:54,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:54,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:54,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:54,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:54,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:54,436 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:54,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:54,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:54,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:54,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:54,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:54,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:54,572 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:54,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:54,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:54,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:54,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:54,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:54,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:54,714 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:54,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:54,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:54,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:54,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:54,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:54,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:54,857 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:54,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:54,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:54,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:54,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:54,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:55,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:55,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:55,000 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:55,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:55,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:55,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:55,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:55,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:55,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:55,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:55,144 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:55,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:55,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:55,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:55,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:55,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:55,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:55,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:55,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:55,292 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:55,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:55,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:55,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:55,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:55,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:55,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:55,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:55,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:55,437 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:55,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:55,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:55,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:55,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:55,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:55,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:55,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:55,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:55,563 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:55,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:55,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:55,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:55,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:55,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:55,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:55,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:55,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:55,710 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:55,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:55,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:55,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:55,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:55,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:55,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:55,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:55,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:55,856 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:55,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:55,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:55,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:55,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:55,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:56,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:56,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:56,001 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:56,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:56,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:56,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:56,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:56,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:56,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:56,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:56,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:56,143 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:56,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:56,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:56,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:56,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:56,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:56,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:56,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:56,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:56,297 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:56,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:56,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:56,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:56,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:56,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:56,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:56,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:56,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:56,444 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:56,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:56,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:56,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:56,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:56,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:56,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:56,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:56,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:56,587 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:56,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:56,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:56,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:56,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:56,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:56,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:56,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:56,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:56,715 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:56,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:56,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:56,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:56,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:56,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:56,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:56,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:56,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:56,851 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:56,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:56,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:56,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:56,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:56,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:56,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:56,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:56,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:56,995 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:56,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:56,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:56,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:57,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:57,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:57,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:57,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:57,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:57,139 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:57,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:57,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:57,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:57,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:57,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:57,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:57,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:57,285 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:57,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:57,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:57,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:57,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:57,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:57,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:57,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:57,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:57,430 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:57,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:57,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:57,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:57,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:57,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:57,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:57,577 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:57,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:57,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:57,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:57,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:57,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:57,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:57,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:57,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:57,721 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:57,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:57,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:57,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:57,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:57,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:57,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:57,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:57,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:57,850 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:57,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:57,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:57,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:57,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:57,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:57,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:57,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:57,987 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:57,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:57,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:57,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:58,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:58,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:58,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:58,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:58,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:58,134 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:58,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:58,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:58,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:58,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:58,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:58,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:58,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:58,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:58,279 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:58,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:58,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:58,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:58,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:58,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:58,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:58,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:58,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:58,422 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:58,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:58,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:58,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:58,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:58,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:58,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:58,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:58,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:58,574 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:58,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:58,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:58,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:58,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:58,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:58,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:58,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:58,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:58,720 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:58,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:58,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:58,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:58,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:58,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:58,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:58,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:58,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:58,863 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:58,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:58,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:58,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:58,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:58,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:58,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:58,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:58,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:58,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:58,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:58,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:59,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:59,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:59,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:59,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:59,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:59,130 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:59,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:59,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:59,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:59,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:59,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:59,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:59,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:59,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:59,275 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:59,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:59,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:59,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:59,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:59,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:59,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:59,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:59,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:59,420 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:59,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:59,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:59,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:59,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:59,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:59,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:59,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:59,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:59,566 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:59,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:59,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:59,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:59,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:59,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:59,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:59,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:59,714 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:59,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:59,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:59,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:59,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:59,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:59,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:59,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:59,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:18:59,859 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:18:59,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:59,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:59,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:59,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:18:59,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:00,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:00,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:00,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:00,005 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:00,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:00,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:00,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:00,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:00,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:00,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:00,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:00,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:00,152 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:00,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:00,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:00,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:00,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:00,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:00,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:00,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:00,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:00,298 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:00,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:00,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:00,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:00,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:00,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:00,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:00,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:00,442 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:00,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:00,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:00,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:00,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:00,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:00,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:00,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:00,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:00,589 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:00,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:00,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:00,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:00,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:00,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:00,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:00,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:00,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:00,737 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:00,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:00,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:00,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:00,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:00,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:00,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:00,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:00,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:00,886 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:00,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:00,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:00,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:00,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:00,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:01,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:01,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:01,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:01,031 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:01,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:01,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:01,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:01,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:01,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:01,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:01,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:01,172 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:01,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:01,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:01,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:01,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:01,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:01,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:01,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:01,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:01,319 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:01,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:01,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:01,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:01,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:01,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:01,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:01,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:01,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:01,461 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:01,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:01,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:01,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:01,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:01,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:01,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:01,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:01,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:01,588 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:01,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:01,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:01,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:01,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:01,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:01,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:01,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:01,729 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:01,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:01,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:01,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:01,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:01,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:01,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:01,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:01,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:01,874 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:01,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:01,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:01,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:01,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:01,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:02,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:02,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:02,018 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:02,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:02,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:02,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:02,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:02,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:02,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:02,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:02,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:02,162 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:02,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:02,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:02,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:02,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:02,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:02,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:02,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:02,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:02,303 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:02,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:02,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:02,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:02,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:02,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:02,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:02,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:02,447 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:02,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:02,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:02,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:02,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:02,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:02,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:02,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:02,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:02,592 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:02,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:02,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:02,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:02,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:02,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:02,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:02,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:02,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:02,739 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:02,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:02,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:02,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:02,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:02,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:02,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:02,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:02,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:02,885 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:02,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:02,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:02,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:02,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:02,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:03,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:03,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:03,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:03,039 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:03,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:03,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:03,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:03,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:03,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:03,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:03,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:03,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:03,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:03,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:03,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:03,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:03,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:03,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:03,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:03,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:03,337 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:03,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:03,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:03,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:03,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:03,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:03,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:03,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:03,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:03,486 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:03,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:03,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:03,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:03,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:03,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:03,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:03,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:03,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:03,633 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:03,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:03,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:03,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:03,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:03,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:03,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:03,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:03,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:03,777 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:03,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:03,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:03,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:03,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:03,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:03,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:03,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:03,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:03,923 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:03,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:03,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:03,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:04,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:04,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:04,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:04,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:04,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:04,064 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:04,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:04,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:04,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:04,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:04,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:04,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:04,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:04,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:04,204 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:04,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:04,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:04,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:04,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:04,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:04,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:04,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:04,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:04,339 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:04,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:04,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:04,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:04,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:04,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:04,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:04,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:04,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:04,479 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:04,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:04,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:04,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:04,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:04,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:04,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:04,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:04,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:04,626 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:04,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:04,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:04,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:04,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:04,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:04,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:04,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:04,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:04,774 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:04,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:04,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:04,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:04,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:04,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:04,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:04,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:04,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:04,920 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:04,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:04,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:04,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:05,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:05,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:05,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:05,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:05,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:05,066 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:05,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:05,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:05,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:05,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:05,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:05,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:05,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:05,213 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:05,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:05,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:05,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:05,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:05,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:05,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:05,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:05,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:05,362 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:05,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:05,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:05,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:05,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:05,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:05,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:05,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:05,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:05,507 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:05,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:05,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:05,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:05,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:05,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:05,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:05,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:05,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:05,652 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:05,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:05,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:05,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:05,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:05,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:05,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:05,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:05,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:05,796 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:05,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:05,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:05,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:05,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:05,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:05,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:05,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:05,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:05,940 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:05,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:05,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:05,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:06,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:06,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:06,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:06,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:06,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:06,085 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:06,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:06,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:06,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:06,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:06,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:06,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:06,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:06,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:06,231 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:06,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:06,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:06,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:06,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:06,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:06,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:06,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:06,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:06,376 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:06,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:06,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:06,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:06,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:06,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:06,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:06,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:06,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:06,521 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:06,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:06,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:06,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:06,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:06,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:06,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:06,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:06,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:06,650 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:06,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:06,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:06,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:06,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:06,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:06,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:06,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:06,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:06,796 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:06,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:06,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:06,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:06,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:06,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:06,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:06,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:06,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:06,958 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:06,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:06,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:06,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:07,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:07,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:07,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:07,105 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:07,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:07,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:07,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:07,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:07,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:07,258 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:07,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:07,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:07,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:07,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:07,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:07,417 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:07,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:07,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:07,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:07,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:07,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:07,567 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:07,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:07,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:07,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:07,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:07,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:07,706 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:07,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:07,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:07,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:07,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:07,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:07,837 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:07,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:07,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:07,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:07,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:07,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:07,983 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:07,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:07,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:08,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:08,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:08,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:08,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:08,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:08,131 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:08,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:08,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:08,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:08,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:08,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:08,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:08,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:08,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:08,281 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:08,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:08,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:08,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:08,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:08,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:08,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:08,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:08,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:08,431 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:08,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:08,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:08,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:08,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:08,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:08,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:08,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:08,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:08,575 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:08,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:08,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:08,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:08,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:08,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:08,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:08,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:08,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:08,720 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:08,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:08,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:08,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:08,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:08,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:08,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:08,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:08,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:08,843 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:08,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:08,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:08,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:08,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:08,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:08,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:08,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:08,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:08,971 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:08,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:08,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:08,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:09,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:09,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:09,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:09,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:09,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:09,109 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:09,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:09,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:09,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:09,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:09,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:09,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:09,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:09,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:09,247 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:09,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:09,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:09,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:09,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:09,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:09,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:09,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:09,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:09,384 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:09,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:09,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:09,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:09,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:09,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:09,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:09,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:09,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:09,523 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:09,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:09,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:09,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:09,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:09,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:09,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:09,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:09,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:09,662 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:09,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:09,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:09,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:09,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:09,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:09,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:09,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:09,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:09,801 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:09,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:09,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:09,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:09,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:09,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:09,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:09,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:09,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:09,927 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:09,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:09,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:09,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:10,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:10,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:10,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:10,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:10,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:10,053 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:10,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:10,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:10,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:10,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:10,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:10,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:10,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:10,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:10,191 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:10,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:10,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:10,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:10,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:10,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:10,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:10,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:10,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:10,329 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:10,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:10,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:10,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:10,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:10,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:10,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:10,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:10,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:10,467 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:10,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:10,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:10,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:10,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:10,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:10,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:10,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:10,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:10,609 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:10,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:10,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:10,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:10,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:10,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:10,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:10,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:10,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:10,750 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:10,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:10,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:10,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:10,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:10,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:10,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:10,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:10,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:10,886 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:10,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:10,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:10,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:10,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:10,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:11,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:11,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:11,009 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:11,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:11,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:11,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:11,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:11,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:11,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:11,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:11,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:11,138 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:11,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:11,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:11,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:11,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:11,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:11,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:11,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:11,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:11,281 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:11,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:11,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:11,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:11,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:11,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:11,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:11,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:11,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:11,424 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:11,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:11,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:11,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:11,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:11,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:11,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:11,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:11,563 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:11,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:11,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:11,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:11,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:11,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:11,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:11,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:11,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:11,702 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:11,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:11,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:11,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:11,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:11,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:11,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:11,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:11,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:11,842 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:11,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:11,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:11,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:11,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:11,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:11,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:11,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:11,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:11,991 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:11,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:11,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:11,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:12,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:12,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:12,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:12,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:12,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:12,131 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:12,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:12,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:12,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:12,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:12,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:12,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:12,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:12,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:12,257 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:12,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:12,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:12,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:12,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:12,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:12,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:12,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:12,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:12,385 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:12,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:12,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:12,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:12,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:12,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:12,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:12,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:12,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:12,521 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:12,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:12,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:12,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:12,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:12,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:12,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:12,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:12,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:12,662 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:12,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:12,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:12,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:12,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:12,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:12,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:12,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:12,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:12,800 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:12,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:12,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:12,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:12,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:12,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:12,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:12,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:12,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:12,938 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:12,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:12,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:12,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:13,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:13,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:13,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:13,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:13,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:13,074 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:13,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:13,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:13,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:13,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:13,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:13,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:13,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:13,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 47 transitions. [2021-11-22 23:19:13,212 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:19:13,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:19:13,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:13,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:13,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:13,319 INFO L286 TraceCheckSpWp]: Computing forward predicates...