./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound10.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_205dc8f0-1881-4dc1-a272-f700a2f245d2/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205dc8f0-1881-4dc1-a272-f700a2f245d2/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_205dc8f0-1881-4dc1-a272-f700a2f245d2/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205dc8f0-1881-4dc1-a272-f700a2f245d2/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205dc8f0-1881-4dc1-a272-f700a2f245d2/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_205dc8f0-1881-4dc1-a272-f700a2f245d2/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 76fd23ddcb7e8fff12decb053b84ed59e907e32bdbc4e822256bdb820e1311ef --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:20:27,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:20:27,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:20:27,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:20:27,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:20:27,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:20:27,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:20:27,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:20:27,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:20:27,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:20:27,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:20:27,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:20:27,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:20:27,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:20:27,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:20:27,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:20:27,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:20:27,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:20:27,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:20:27,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:20:27,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:20:27,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:20:27,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:20:27,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:20:27,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:20:27,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:20:27,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:20:27,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:20:27,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:20:27,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:20:27,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:20:27,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:20:27,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:20:27,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:20:27,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:20:27,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:20:27,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:20:27,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:20:27,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:20:27,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:20:27,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:20:27,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205dc8f0-1881-4dc1-a272-f700a2f245d2/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:20:27,547 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:20:27,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:20:27,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:20:27,549 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:20:27,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:20:27,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:20:27,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:20:27,550 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:20:27,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:20:27,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:20:27,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:20:27,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:20:27,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:20:27,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:20:27,553 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:20:27,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:20:27,553 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:20:27,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:20:27,553 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:20:27,554 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:20:27,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:20:27,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:20:27,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:20:27,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:20:27,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:20:27,555 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:20:27,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:20:27,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:20:27,556 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_205dc8f0-1881-4dc1-a272-f700a2f245d2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205dc8f0-1881-4dc1-a272-f700a2f245d2/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76fd23ddcb7e8fff12decb053b84ed59e907e32bdbc4e822256bdb820e1311ef [2021-11-22 23:20:27,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:20:27,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:20:27,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:20:27,932 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:20:27,933 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:20:27,934 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205dc8f0-1881-4dc1-a272-f700a2f245d2/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound10.c [2021-11-22 23:20:28,013 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205dc8f0-1881-4dc1-a272-f700a2f245d2/bin/ukojak-LBtLqBUTdQ/data/d709e079c/346def6f9a4c43e4b9db6a7d6c163b44/FLAG8951bee7b [2021-11-22 23:20:28,552 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:20:28,557 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205dc8f0-1881-4dc1-a272-f700a2f245d2/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound10.c [2021-11-22 23:20:28,568 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205dc8f0-1881-4dc1-a272-f700a2f245d2/bin/ukojak-LBtLqBUTdQ/data/d709e079c/346def6f9a4c43e4b9db6a7d6c163b44/FLAG8951bee7b [2021-11-22 23:20:28,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205dc8f0-1881-4dc1-a272-f700a2f245d2/bin/ukojak-LBtLqBUTdQ/data/d709e079c/346def6f9a4c43e4b9db6a7d6c163b44 [2021-11-22 23:20:28,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:20:28,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:20:28,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:20:28,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:20:28,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:20:28,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:20:28" (1/1) ... [2021-11-22 23:20:28,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5030e446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:28, skipping insertion in model container [2021-11-22 23:20:28,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:20:28" (1/1) ... [2021-11-22 23:20:28,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:20:28,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:20:29,203 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_205dc8f0-1881-4dc1-a272-f700a2f245d2/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound10.c[490,503] [2021-11-22 23:20:29,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:20:29,245 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:20:29,257 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_205dc8f0-1881-4dc1-a272-f700a2f245d2/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound10.c[490,503] [2021-11-22 23:20:29,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:20:29,280 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:20:29,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:29 WrapperNode [2021-11-22 23:20:29,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:20:29,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:20:29,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:20:29,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:20:29,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:29" (1/1) ... [2021-11-22 23:20:29,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:29" (1/1) ... [2021-11-22 23:20:29,319 INFO L137 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 91 [2021-11-22 23:20:29,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:20:29,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:20:29,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:20:29,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:20:29,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:29" (1/1) ... [2021-11-22 23:20:29,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:29" (1/1) ... [2021-11-22 23:20:29,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:29" (1/1) ... [2021-11-22 23:20:29,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:29" (1/1) ... [2021-11-22 23:20:29,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:29" (1/1) ... [2021-11-22 23:20:29,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:29" (1/1) ... [2021-11-22 23:20:29,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:29" (1/1) ... [2021-11-22 23:20:29,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:20:29,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:20:29,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:20:29,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:20:29,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:29" (1/1) ... [2021-11-22 23:20:29,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:20:29,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205dc8f0-1881-4dc1-a272-f700a2f245d2/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:20:29,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205dc8f0-1881-4dc1-a272-f700a2f245d2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:20:29,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205dc8f0-1881-4dc1-a272-f700a2f245d2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:20:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:20:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-22 23:20:29,435 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-22 23:20:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:20:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:20:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:20:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-22 23:20:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-22 23:20:29,511 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:20:29,513 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:20:29,703 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:20:29,722 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:20:29,722 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:20:29,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:20:29 BoogieIcfgContainer [2021-11-22 23:20:29,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:20:29,726 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:20:29,726 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:20:29,736 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:20:29,737 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:20:29" (1/1) ... [2021-11-22 23:20:29,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:20:29,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:29,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2021-11-22 23:20:29,803 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2021-11-22 23:20:29,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:20:29,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:29,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:29,981 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 23:20:30,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:30,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2021-11-22 23:20:30,004 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2021-11-22 23:20:30,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:20:30,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:30,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:30,070 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 23:20:30,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:30,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 45 transitions. [2021-11-22 23:20:30,112 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2021-11-22 23:20:30,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:30,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:30,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:30,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:30,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:30,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:30,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:30,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:30,697 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:30,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:30,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:30,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:30,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:30,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:30,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:30,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:30,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:30,818 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:30,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:30,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:30,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:30,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:30,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:30,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:30,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:30,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:30,947 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:30,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:30,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:30,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:31,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:31,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:31,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:31,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:31,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:31,076 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:31,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:31,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:31,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:31,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:31,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:31,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:31,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:31,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:31,206 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:31,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:31,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:31,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:31,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:31,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:31,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:31,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:31,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:31,275 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:31,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:31,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:31,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:31,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:31,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:31,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:31,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:31,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:31,354 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:31,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:31,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:31,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:31,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:31,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:31,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:31,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:31,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:31,432 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:31,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:31,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:31,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:31,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:31,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:31,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:31,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:31,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:31,500 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:31,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:31,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:31,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:31,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:31,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:31,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:31,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:31,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:31,603 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:31,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:31,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:31,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:31,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:31,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:31,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:31,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:31,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:31,704 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:31,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:31,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:31,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:31,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:31,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:31,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:31,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:31,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:31,796 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:31,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:31,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:31,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:31,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:31,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:31,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:31,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:31,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:31,864 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:31,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:31,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:31,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:31,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:31,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:31,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:31,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:31,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:31,951 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:31,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:31,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:31,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:31,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:31,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:32,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:32,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:32,053 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:32,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:32,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:32,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:32,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:32,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:32,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:32,140 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:32,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:32,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:32,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:32,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:32,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:32,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:32,239 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:32,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:32,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:32,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:32,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:32,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:32,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:32,312 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:32,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:32,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:32,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:32,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:32,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:32,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:32,394 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:32,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:32,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:32,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:32,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:32,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:32,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:32,484 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:32,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:32,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:32,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:32,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:32,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:32,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:32,544 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:32,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:32,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:32,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:32,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:32,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:32,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:32,599 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:32,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:32,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:32,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:32,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:32,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:32,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:32,653 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:32,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:32,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:32,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:32,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:32,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:32,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:32,720 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:32,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:32,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:32,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:32,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:32,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:32,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:32,783 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:32,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:32,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:32,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:32,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:32,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:32,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:32,832 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:32,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:32,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:32,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:32,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:32,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:32,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:32,883 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:32,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:32,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:32,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:32,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:32,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:32,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:32,936 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:32,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:32,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:32,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:32,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:32,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:32,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:32,999 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:33,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:33,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:33,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:33,060 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:33,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:33,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:33,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:33,114 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:33,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:33,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:33,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:33,178 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:33,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:33,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:33,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:33,228 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:33,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:33,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:33,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:33,287 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:33,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:33,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:33,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:33,344 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:33,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:33,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:33,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:33,396 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:33,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:33,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:33,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:33,455 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:33,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:33,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:33,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:33,507 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:33,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:33,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:33,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:33,564 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:33,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:33,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:33,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:33,619 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:33,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:33,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:33,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:33,675 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:33,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:33,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:33,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:33,726 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:33,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:33,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:33,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:33,774 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:33,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:33,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:33,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:33,820 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:33,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:33,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:33,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:33,871 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:33,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:33,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:33,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:33,925 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:33,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:33,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:33,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:33,975 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:33,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,031 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,092 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,143 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,191 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,247 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,292 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,337 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,384 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,437 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,490 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,543 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,589 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,640 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,684 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,776 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,827 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,871 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,921 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:34,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:34,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:34,967 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:34,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:34,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:34,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:34,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,015 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,065 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,125 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,170 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,218 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,263 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,309 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,363 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,412 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,456 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,501 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,544 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,588 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,632 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,681 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,724 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,770 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,812 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,857 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,901 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,948 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:35,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:35,991 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:35,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:35,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,035 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,081 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,126 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,171 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,216 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,269 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,317 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,362 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,405 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,449 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,493 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,537 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,581 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,625 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,668 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,711 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,754 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,809 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,852 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,894 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,939 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:36,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:36,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:36,982 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:36,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:36,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:36,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:36,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:36,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,026 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,070 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,115 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,159 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,204 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,247 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,291 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,335 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,390 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,435 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,526 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,574 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,620 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,664 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,707 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,752 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,798 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,841 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,885 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,928 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:37,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:37,969 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:37,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:37,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,011 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,055 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,109 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,152 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,193 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,233 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,273 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,313 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,357 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,399 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,438 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,487 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,540 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,586 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,627 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,710 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,751 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,802 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,887 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,931 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:38,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:38,973 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:38,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:38,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,015 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,057 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,100 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,146 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,188 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,233 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,278 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,323 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,365 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,409 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,457 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,506 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,554 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,596 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,641 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,691 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,732 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,773 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,814 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,854 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,895 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,936 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:39,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:39,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:39,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,024 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,067 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,110 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,153 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,205 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,246 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,287 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,328 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,378 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,427 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,471 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,517 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,563 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,604 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,643 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,684 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,723 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,763 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,803 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,843 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,891 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,934 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:40,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:40,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:40,976 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:40,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:40,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:40,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,018 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,060 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,104 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,145 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,186 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,227 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,268 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,308 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,348 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,389 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,430 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,470 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,511 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,557 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,601 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,644 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,687 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,736 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,778 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,821 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,864 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,908 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,956 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:41,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:41,999 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:41,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:41,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,043 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,087 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,130 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,172 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,214 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,257 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,300 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,342 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,397 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,438 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,479 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,520 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,609 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,651 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,693 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,738 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,781 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,825 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,867 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,912 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:42,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:42,954 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:42,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:42,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,000 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,041 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,080 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,136 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,191 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,243 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,299 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,366 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,408 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,454 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,492 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,530 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,571 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,612 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,656 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,699 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,741 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,786 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,827 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,867 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,907 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,948 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:43,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:43,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:43,990 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:43,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:43,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,031 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,073 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,117 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,158 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,201 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,243 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,296 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,335 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,373 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,411 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,449 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,486 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,524 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,563 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,604 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,646 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,688 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,742 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,788 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,829 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,878 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,919 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,960 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:44,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:44,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:44,999 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:44,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:44,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,037 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,080 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,118 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,157 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,196 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,276 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,315 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,354 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,393 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,432 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,473 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,514 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,554 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,593 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,631 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,669 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,707 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,746 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,784 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,822 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,868 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,907 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,946 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:45,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:45,985 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:45,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:45,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,024 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,063 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,103 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,142 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,181 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,224 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,264 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,304 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,342 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,382 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,421 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,459 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,499 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,538 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,577 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,622 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,702 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,742 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,780 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,819 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,857 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,897 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,936 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:46,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:46,976 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:46,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:46,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:46,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,014 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,054 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,093 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,132 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,172 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,212 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,251 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,290 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,329 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,376 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,415 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,462 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,501 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,540 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,578 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,616 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,655 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,694 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,733 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,772 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,811 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,851 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,890 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,928 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:47,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:47,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:47,968 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:47,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:47,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,007 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,050 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,090 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,128 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,174 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,212 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,252 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,291 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,337 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,396 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,442 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,500 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,548 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,589 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,629 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,668 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,709 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,748 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,787 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,826 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,865 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,904 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,944 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:48,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:48,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:48,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:48,990 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:48,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:48,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:48,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,028 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,066 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,106 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,145 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,184 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,225 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,263 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,305 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,351 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,391 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,430 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,469 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,508 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,548 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,588 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,627 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,666 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,705 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,759 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,811 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,857 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,901 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,942 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:49,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:49,983 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:49,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:49,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:49,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,065 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,104 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,144 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,184 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,222 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,265 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,304 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,344 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,383 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,422 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,463 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,503 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,543 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,600 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,641 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,723 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,765 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,806 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,847 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,888 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,928 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:50,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:50,968 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:50,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:50,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,007 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,048 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,089 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,136 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,181 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,224 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,268 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,311 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,352 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,398 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,445 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,483 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,520 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,558 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,596 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,634 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,672 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,710 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,749 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,786 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,824 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,861 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,898 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,936 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:51,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:51,975 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:51,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:51,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,016 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,055 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,095 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,133 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,171 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,216 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,253 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,288 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,334 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,396 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,442 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,487 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,531 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,576 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,620 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,664 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,707 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,751 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,796 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,840 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,930 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:52,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:52,974 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:52,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:52,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:52,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,019 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,067 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,111 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,151 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,189 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,227 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,265 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,302 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,359 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,398 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,435 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,474 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,512 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,551 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,590 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,631 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,671 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,715 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,762 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,807 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,845 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,891 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,928 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:53,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:53,965 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:53,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:53,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:53,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,003 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,041 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,081 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,120 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,158 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,195 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,256 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,303 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,349 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,397 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,445 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,489 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,533 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,577 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,622 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,666 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,712 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,763 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,808 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,854 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,899 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,943 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:54,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:54,987 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:54,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:54,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,033 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,078 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,181 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,233 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,279 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,317 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,355 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,412 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,451 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,489 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,566 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,616 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,656 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,694 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,733 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,771 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,808 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,845 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,884 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:55,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:55,965 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:55,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:55,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,003 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,059 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,100 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,138 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,176 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,216 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,271 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,326 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,363 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,418 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,470 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,509 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,546 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,583 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,621 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,660 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,701 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,741 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,781 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,820 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,859 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,897 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,936 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:56,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:56,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:56,974 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:56,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:56,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,011 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,050 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,088 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,126 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,165 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,203 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,247 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,285 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,323 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,360 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,398 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,435 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,472 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,510 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,547 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,584 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,621 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,658 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,700 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,737 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,774 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,811 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,850 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,889 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,929 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:57,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:57,969 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:57,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:57,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,018 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,056 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,096 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,134 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,172 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,209 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,246 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,283 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,322 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,360 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,397 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,438 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,473 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,520 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,581 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,630 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,676 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,722 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,768 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,813 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,874 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,920 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:58,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:58,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:58,966 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:58,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:58,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,012 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,059 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,105 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,151 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,196 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,230 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,290 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,335 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,386 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,428 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,468 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,506 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,545 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,583 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,620 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,656 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,711 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,761 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,799 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,862 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,901 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,940 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:59,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:20:59,977 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:20:59,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:59,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:20:59,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,014 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,050 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,090 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,128 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,166 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,206 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,243 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,281 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,318 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,356 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,394 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,432 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,470 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,508 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,558 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,595 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,632 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,669 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,705 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,742 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,779 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,817 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,855 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,899 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,937 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:00,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:00,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:00,975 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:00,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:00,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,013 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,051 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,089 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,126 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,164 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,201 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,238 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,286 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,323 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,361 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,425 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,471 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,509 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,562 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,609 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,653 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,699 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,744 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,790 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,836 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,881 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:01,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:01,986 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:01,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:01,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,032 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,078 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,124 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,171 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,218 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,264 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,311 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,357 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,411 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,449 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,486 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,523 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,561 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,598 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,635 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,672 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,709 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,787 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,824 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,865 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,903 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,938 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:02,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:02,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:02,985 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:02,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:02,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,036 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,084 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,131 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,177 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,228 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,278 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,325 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,371 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,420 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,471 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,504 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,538 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,578 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,623 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,658 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,693 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,732 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,786 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,840 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,888 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,933 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:03,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:03,975 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:03,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:03,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,015 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,052 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,087 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,126 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,181 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,230 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,270 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,319 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,353 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,387 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,421 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,462 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,496 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,534 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,580 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,614 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,679 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,721 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,764 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,802 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,839 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,876 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,913 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,952 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:04,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:04,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:04,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:04,990 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:04,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:04,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:05,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:05,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:05,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:05,028 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:05,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:05,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:05,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:05,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:05,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:05,066 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:05,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:05,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:05,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:05,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:05,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:05,104 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:05,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:05,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:05,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:05,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:05,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:05,141 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:05,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:05,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:05,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:05,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:05,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:05,179 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:05,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:05,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:05,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:05,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:05,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:05,217 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:05,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:05,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:05,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:05,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:05,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:05,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:05,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:05,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:05,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:05,299 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:05,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:05,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:05,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:05,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:05,339 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:05,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:05,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:05,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:05,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:05,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:05,379 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:05,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:05,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:05,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:05,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:05,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:05,434 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:05,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:05,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:05,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:05,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:05,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:05,476 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:05,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:05,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:05,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:05,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:05,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:05,520 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:05,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:05,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:05,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:05,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:05,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:05,566 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:05,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:05,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:05,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:05,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:05,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:05,599 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:05,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:05,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:05,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:05,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:05,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:05,649 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:05,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:05,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:05,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:05,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:05,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:05,689 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:05,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:05,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:21:05,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:05,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:05,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:21:05,722 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:21:05,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:05,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2021-11-22 23:31:05,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:05,593 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:05,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:05,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:05,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:05,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:05,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:05,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:05,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:05,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:05,659 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:05,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:05,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:05,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:05,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:05,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:05,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:05,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:05,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:05,724 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:05,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:05,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:05,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:05,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:05,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:05,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:05,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:05,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:05,790 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:05,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:05,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:05,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:05,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:05,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:05,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:05,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:05,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:05,855 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:05,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:05,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:05,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:05,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:05,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:05,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:05,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:05,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:05,921 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:05,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:05,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:05,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:05,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:05,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:05,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:05,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:05,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:05,987 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:05,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:05,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:05,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:06,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:06,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:06,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:06,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:06,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:06,053 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:06,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:06,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:06,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:06,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:06,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:06,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:06,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:06,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:06,123 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:06,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:06,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:06,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:06,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:06,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:06,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:06,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:06,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:06,188 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:06,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:06,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:06,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:06,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:06,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:06,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:06,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:06,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:06,254 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:06,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:06,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:06,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:06,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:06,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:06,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:06,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:06,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:06,319 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:06,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:06,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:06,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:06,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:06,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:06,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:06,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:06,385 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:06,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:06,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:06,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:06,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:06,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:06,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:06,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:06,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:06,452 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:06,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:06,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:06,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:06,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:06,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:06,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:06,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:06,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:06,518 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:06,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:06,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:06,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:06,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:06,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:06,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:06,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:06,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:06,583 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:06,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:06,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:06,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:06,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:06,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:06,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:06,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:06,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:06,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:06,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:06,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:06,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:06,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:06,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:06,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:06,719 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:06,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:06,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:06,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:06,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:06,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:06,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:06,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:06,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:06,784 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:06,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:06,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:06,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:06,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:06,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:06,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:06,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:06,850 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:06,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:06,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:06,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:06,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:06,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:06,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:06,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:06,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:06,915 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:06,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:06,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:06,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:06,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:06,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:06,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:06,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:06,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:06,980 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:06,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:06,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:06,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:07,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:07,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:07,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:07,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:07,046 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:07,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:07,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:07,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:07,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:07,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:07,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:07,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:07,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:07,112 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:07,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:07,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:07,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:07,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:07,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:07,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:07,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:07,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:07,178 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:07,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:07,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:07,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:07,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:07,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:07,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:07,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:07,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:07,243 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:07,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:07,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:07,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:07,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:07,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:07,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:07,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:07,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:07,308 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:07,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:07,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:07,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:07,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:07,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:07,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:07,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:07,374 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:07,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:07,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:07,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:07,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:07,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:07,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:07,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:07,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:07,440 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:07,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:07,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:07,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:07,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:07,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:07,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:07,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:07,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:07,506 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:07,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:07,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:07,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:07,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:07,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:07,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:07,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:07,572 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:07,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:07,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:07,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:07,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:07,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:07,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:07,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:07,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:07,638 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:07,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:07,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:07,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:07,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:07,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:07,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:07,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:07,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:07,703 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:07,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:07,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:07,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:07,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:07,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:07,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:07,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:07,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:07,769 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:07,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:07,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:07,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:07,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:07,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:07,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:07,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:07,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:07,835 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:07,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:07,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:07,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:07,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:07,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:07,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:07,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:07,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:07,902 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:07,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:07,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:07,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:07,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:07,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:07,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:07,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:07,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:07,968 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:07,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:07,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:07,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:08,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:08,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:08,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:08,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:08,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:08,034 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:08,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:08,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:08,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:08,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:08,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:08,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:08,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:08,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:08,101 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:08,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:08,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:08,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:08,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:08,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:08,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:08,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:08,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:08,168 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:08,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:08,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:08,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:08,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:08,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:08,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:08,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:08,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:08,234 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:08,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:08,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:08,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:08,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:08,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:08,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:08,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:08,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:08,303 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:08,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:08,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:08,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:08,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:08,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:08,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:08,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:08,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:08,368 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:08,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:08,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:08,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:08,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:08,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:08,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:08,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:08,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:08,433 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:08,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:08,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:08,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:08,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:08,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:08,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:08,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:08,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:08,498 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:08,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:08,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:08,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:08,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:08,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:08,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:08,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:08,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:08,564 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:08,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:08,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:08,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:08,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:08,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:08,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:08,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:08,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:08,630 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:08,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:08,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:08,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:08,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:08,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:08,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:08,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:08,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:08,695 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:08,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:08,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:08,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:08,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:08,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:08,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:08,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:08,761 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:08,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:08,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:08,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:08,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:08,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:08,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:08,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:08,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:08,827 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:08,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:08,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:08,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:08,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:08,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:08,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:08,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:08,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:08,894 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:08,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:08,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:08,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:08,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:08,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:08,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:08,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:08,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:08,961 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:08,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:08,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:08,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:09,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:09,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:09,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:09,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:09,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:09,027 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:09,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:09,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:09,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:09,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:09,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:09,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:09,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:09,093 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:09,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:09,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:09,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:09,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:09,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:09,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:09,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:09,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:09,159 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:09,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:09,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:09,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:09,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:09,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:09,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:09,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:09,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:09,224 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:09,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:09,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:09,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:09,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:09,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:09,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:09,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:09,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:09,290 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:09,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:09,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:09,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:09,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:09,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:09,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:09,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:09,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:09,356 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:09,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:09,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:09,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:09,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:09,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:09,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:09,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:09,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:09,422 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:09,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:09,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:09,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:09,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:09,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:09,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:09,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:09,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:09,487 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:09,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:09,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:09,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:09,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:09,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:09,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:09,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:09,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:09,553 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:09,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:09,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:09,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:09,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:09,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:09,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:09,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:09,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:09,619 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:09,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:09,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:09,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:09,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:09,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:09,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:09,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:09,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:09,686 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:09,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:09,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:09,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:09,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:09,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:09,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:09,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:09,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:09,752 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:09,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:09,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:09,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:09,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:09,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:09,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:09,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:09,818 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:09,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:09,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:09,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:09,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:09,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:09,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:09,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:09,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:09,888 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:09,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:09,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:09,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:09,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:09,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:09,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:09,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:09,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:09,954 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:09,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:09,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:09,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:09,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:09,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:10,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:10,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:10,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:10,019 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:10,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:10,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:10,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:10,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:10,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:10,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:10,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:10,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:10,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:10,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:10,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:10,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:10,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:10,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:10,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:10,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:10,152 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:10,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:10,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:10,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:10,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:10,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:10,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:10,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:10,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:10,218 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:10,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:10,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:10,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:10,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:10,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:10,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:10,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:10,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:10,283 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:10,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:10,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:10,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:10,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:10,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:10,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:10,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:10,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:10,349 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:10,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:10,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:10,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:10,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:10,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:10,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:10,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:10,416 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:10,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:10,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:10,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:10,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:10,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:10,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:10,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:10,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:10,482 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:10,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:10,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:10,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:10,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:10,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:10,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:10,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:10,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:10,548 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:10,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:10,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:10,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:10,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:10,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:10,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:10,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:10,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:10,614 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:10,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:10,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:10,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:10,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:10,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:10,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:10,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:10,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:10,680 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:10,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:10,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:10,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:10,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:10,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:10,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:10,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:10,746 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:10,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:10,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:10,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:10,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:10,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:10,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:10,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:10,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:10,812 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:10,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:10,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:10,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:10,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:10,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:10,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:10,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:10,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:10,878 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:10,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:10,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:10,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:10,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:10,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:10,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:10,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:10,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:10,944 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:10,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:10,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:10,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:10,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:10,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:11,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:11,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:11,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:11,010 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:11,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:11,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:11,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:11,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:11,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:11,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:11,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:11,076 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:11,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:11,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:11,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:11,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:11,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:11,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:11,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:11,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:11,142 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:11,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:11,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:11,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:11,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:11,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:11,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:11,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:11,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:11,208 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:11,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:11,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:11,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:11,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:11,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:11,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:11,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:11,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:11,274 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:11,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:11,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:11,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:11,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:11,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:11,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:11,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:11,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:11,340 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:11,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:11,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:11,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:11,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:11,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:11,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:11,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:11,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:11,407 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:11,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:11,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:11,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:11,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:11,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:11,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:11,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:11,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:11,479 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:11,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:11,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:11,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:11,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:11,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:11,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:11,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:11,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:11,545 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:11,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:11,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:11,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:11,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:11,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:11,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:11,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:11,610 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:11,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:11,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:11,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:11,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:11,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:11,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:11,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:11,676 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:11,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:11,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:11,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:11,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:11,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:11,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:11,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:11,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:11,741 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:11,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:11,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:11,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:11,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:11,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:11,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:11,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:11,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:11,807 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:11,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:11,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:11,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:11,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:11,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:11,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:11,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:11,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:11,872 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:11,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:11,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:11,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:11,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:11,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:11,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:11,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:11,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:11,938 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:11,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:11,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:11,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:11,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:11,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:12,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:12,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:12,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:12,004 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:12,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:12,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:12,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:12,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:12,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:12,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:12,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:12,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:12,070 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:12,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:12,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:12,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:12,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:12,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:12,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:12,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:12,137 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:12,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:12,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:12,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:12,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:12,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:12,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:12,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:12,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:12,203 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:12,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:12,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:12,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:12,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:12,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:12,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:12,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:12,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:12,268 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:12,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:12,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:12,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:12,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:12,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:12,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:12,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:12,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:12,334 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:12,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:12,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:12,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:12,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:12,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:12,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:12,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:12,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:12,400 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:12,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:12,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:12,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:12,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:12,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:12,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:12,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:12,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:12,466 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:12,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:12,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:12,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:12,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:12,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:12,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:12,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:12,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:12,532 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:12,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:12,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:12,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:12,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:12,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:12,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:12,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:12,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:12,599 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:12,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:12,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:12,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:12,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:12,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:12,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:12,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:12,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:12,665 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:12,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:12,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:12,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:12,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:12,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:12,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:12,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:12,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:12,731 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:12,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:12,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:12,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:12,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:12,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:12,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:12,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:12,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:12,797 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:12,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:12,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:12,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:12,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:12,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:12,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:12,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:12,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:12,864 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:12,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:12,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:12,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:12,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:12,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:12,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:12,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:12,930 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:12,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:12,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:12,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:12,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:12,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:12,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:12,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:12,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:12,997 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:12,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:12,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:12,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:13,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:13,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:13,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:13,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:13,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:13,077 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:13,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:13,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:13,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:13,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:13,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:13,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:13,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:13,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:13,143 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:13,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:13,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:13,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:13,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:13,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:13,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:13,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:13,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:13,208 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:13,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:13,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:13,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:13,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:13,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:13,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:13,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:13,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:13,274 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:13,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:13,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:13,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:13,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:13,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:13,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:13,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:13,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:13,339 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:13,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:13,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:13,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:13,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:13,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:13,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:13,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:13,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:13,405 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:13,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:13,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:13,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:13,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:13,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:13,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:13,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:13,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:13,470 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:13,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:13,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:13,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:13,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:13,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:13,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:13,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:13,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:13,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:13,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:13,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:13,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:13,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:13,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:13,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:13,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:13,602 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:13,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:13,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:13,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:13,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:13,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:13,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:13,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:13,668 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:13,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:13,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:13,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:13,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:13,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:13,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:13,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:13,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:13,733 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:13,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:13,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:13,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:13,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:13,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:13,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:13,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:13,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:13,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:13,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:13,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:13,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:13,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:13,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:13,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:13,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:13,865 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:13,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:13,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:13,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:13,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:13,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:13,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:13,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:13,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:13,931 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:13,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:13,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:13,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:13,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:13,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:13,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:13,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:13,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:13,997 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:13,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:13,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:13,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:14,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:14,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:14,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:14,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:14,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:14,065 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:14,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:14,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:14,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:14,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:14,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:14,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:14,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:14,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:14,130 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:14,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:14,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:14,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:14,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:14,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:14,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:14,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:14,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:14,197 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:14,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:14,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:14,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:14,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:14,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:14,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:14,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:14,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:14,263 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:14,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:14,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:14,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:14,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:14,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:14,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:14,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:14,330 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:14,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:14,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:14,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:14,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:14,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:14,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:14,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:14,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:14,397 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:14,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:14,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:14,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:14,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:14,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:14,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:14,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:14,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:14,463 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:14,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:14,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:14,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:14,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:14,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:14,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:14,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:14,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:14,530 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:14,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:14,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:14,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:14,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:14,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:14,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:14,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:14,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:14,596 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:14,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:14,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:14,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:14,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:14,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:14,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:14,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:14,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:14,667 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:14,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:14,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:14,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:14,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:14,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:14,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:14,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:14,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:14,734 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:14,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:14,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:14,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:14,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:14,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:14,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:14,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:14,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:14,799 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:14,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:14,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:14,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:14,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:14,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:14,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:14,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:14,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:14,865 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:14,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:14,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:14,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:14,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:14,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:14,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:14,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:14,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:14,930 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:14,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:14,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:14,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:14,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:14,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:14,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:14,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:14,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:14,997 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:14,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:14,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:14,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:15,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:15,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:15,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:15,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:15,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:15,063 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:15,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:15,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:15,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:15,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:15,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:15,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:15,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:15,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:15,129 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:15,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:15,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:15,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:15,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:15,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:15,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:15,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:15,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:15,195 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:15,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:15,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:15,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:15,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:15,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:15,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:15,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:15,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:15,261 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:15,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:15,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:15,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:15,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:15,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:15,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:15,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:15,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:15,327 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:15,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:15,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:15,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:15,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:15,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:15,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:15,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:15,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:15,393 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:15,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:15,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:15,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:15,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:15,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:15,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:15,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:15,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:15,459 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:15,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:15,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:15,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:15,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:15,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:15,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:15,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:15,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:15,526 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:15,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:15,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:15,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:15,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:15,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:15,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:15,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:15,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:15,592 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:15,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:15,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:15,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:15,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:15,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:15,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:15,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:15,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:15,658 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:15,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:15,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:15,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:15,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:15,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:15,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:15,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:15,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:15,725 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:15,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:15,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:15,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:15,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:15,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:15,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:15,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:15,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:15,791 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:15,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:15,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:15,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:15,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:15,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:15,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:15,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:15,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:15,857 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:15,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:15,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:15,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:15,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:15,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:15,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:15,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:15,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:15,923 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:15,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:15,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:15,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:15,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:15,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:15,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:15,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:15,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:15,989 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:15,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:15,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:15,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:16,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:16,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:16,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:16,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:16,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:16,055 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:16,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:16,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:16,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:16,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:16,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:16,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:16,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:16,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:16,123 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:16,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:16,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:16,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:16,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:16,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:16,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:16,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:16,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:16,190 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:16,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:16,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:16,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:16,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:16,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:16,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:16,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:16,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:16,256 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:16,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:16,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:16,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:16,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:16,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:16,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:16,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:16,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:16,325 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:16,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:16,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:16,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:16,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:16,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:16,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:16,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:16,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:16,391 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:16,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:16,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:16,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:16,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:16,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:16,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:16,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:16,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:16,457 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:16,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:16,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:16,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:16,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:16,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:16,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:16,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:16,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:16,523 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:16,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:16,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:16,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:16,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:16,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:16,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:16,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:16,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:16,589 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:16,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:16,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:16,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:16,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:16,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:16,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:16,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:16,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:16,655 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:16,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:16,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:16,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:16,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:16,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:16,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:16,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:16,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:16,721 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:16,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:16,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:16,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:16,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:16,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:16,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:16,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:16,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:16,787 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:16,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:16,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:16,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:16,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:16,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:16,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:16,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:16,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:16,853 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:16,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:16,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:16,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:16,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:16,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:16,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:16,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:16,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:16,919 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:16,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:16,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:16,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:16,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:16,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:16,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:16,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:16,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:16,985 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:16,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:16,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:16,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:17,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:17,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:17,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:17,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:17,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:17,051 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:17,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:17,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:17,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:17,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:17,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:17,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:17,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:17,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:17,118 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:17,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:17,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:17,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:17,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:17,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:17,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:17,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:17,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:17,184 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:17,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:17,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:17,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:17,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:17,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:17,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:17,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:17,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:17,251 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:17,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:17,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:17,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:17,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:17,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:17,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:17,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:17,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:17,317 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:17,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:17,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:17,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:17,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:17,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:17,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:17,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:17,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:17,383 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:17,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:17,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:17,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:17,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:17,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:17,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:17,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:17,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:17,450 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:17,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:17,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:17,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:17,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:17,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:17,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:17,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:17,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:17,516 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:17,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:17,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:17,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:17,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:17,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:17,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:17,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:17,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:17,583 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:17,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:17,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:17,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:17,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:17,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:17,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:17,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:17,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:17,649 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:17,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:17,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:17,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:17,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:17,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:17,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:17,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:17,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:17,715 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:17,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:17,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:17,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:17,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:17,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:17,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:17,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:17,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:17,782 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:17,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:17,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:17,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:17,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:17,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:17,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:17,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:17,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:17,848 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:17,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:17,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:17,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:17,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:17,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:17,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:17,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:17,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:17,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:17,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:17,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:17,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:17,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:17,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:17,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:17,984 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:17,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:17,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:17,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:18,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:18,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:18,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:18,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:18,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:18,050 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:18,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:18,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:18,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:18,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:18,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:18,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:18,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:18,117 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:18,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:18,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:18,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:18,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:18,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:18,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:18,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:18,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:18,184 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:18,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:18,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:18,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:18,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:18,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:18,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:18,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:18,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:18,249 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:18,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:18,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:18,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:18,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:18,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:18,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:18,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:18,315 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:18,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:18,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:18,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:18,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:18,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:18,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:18,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:18,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:18,380 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:18,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:18,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:18,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:18,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:18,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:18,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:18,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:18,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:18,446 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:18,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:18,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:18,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:18,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:18,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:18,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:18,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:18,512 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:18,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:18,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:18,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:18,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:18,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:18,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:18,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:18,579 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:18,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:18,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:18,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:18,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:18,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:18,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:18,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:18,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:18,645 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:18,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:18,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:18,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:18,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:18,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:18,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:18,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:18,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:18,711 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:18,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:18,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:18,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:18,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:18,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:18,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:18,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:18,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:18,776 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:18,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:18,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:18,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:18,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:18,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:18,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:18,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:18,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:18,848 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:18,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:18,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:18,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:18,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:18,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:18,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:18,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:18,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:18,915 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:18,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:18,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:18,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:18,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:18,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:18,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:18,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:18,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:18,982 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:18,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:18,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:18,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:19,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:19,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:19,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:19,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:19,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:19,048 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:19,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:19,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:19,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:19,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:19,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:19,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:19,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:19,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:19,115 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:19,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:19,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:19,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:19,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:19,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:19,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:19,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:19,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:19,182 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:19,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:19,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:19,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:19,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:19,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:19,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:19,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:19,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:19,249 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:19,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:19,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:19,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:19,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:19,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:19,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:19,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:19,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:19,316 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:19,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:19,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:19,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:19,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:19,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:19,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:19,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:19,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:19,383 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:19,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:19,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:19,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:19,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:19,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:19,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:19,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:19,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:19,449 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:19,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:19,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:19,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:19,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:19,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:19,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:19,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:19,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:19,523 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:19,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:19,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:19,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:19,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:19,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:19,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:19,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:19,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:19,589 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:19,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:19,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:19,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:19,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:19,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:19,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:19,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:19,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:19,654 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:19,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:19,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:19,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:19,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:19,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:19,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:19,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:19,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:19,720 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:19,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:19,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:19,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:19,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:19,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:19,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:19,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:19,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:19,785 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:19,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:19,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:19,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:19,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:19,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:19,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:19,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:19,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:19,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:19,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:19,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:19,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:19,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:19,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:19,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:19,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:19,917 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:19,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:19,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:19,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:19,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:19,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:19,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:19,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:19,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:19,983 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:19,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:19,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:19,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:20,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:20,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:20,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:20,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:20,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:20,049 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:20,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:20,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:20,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:20,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:20,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:20,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:20,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:20,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:20,116 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:20,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:20,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:20,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:20,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:20,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:20,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:20,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:20,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:20,182 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:20,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:20,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:20,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:20,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:20,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:20,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:20,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:20,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:20,249 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:20,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:20,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:20,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:20,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:20,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:20,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:20,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:20,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:20,315 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:20,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:20,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:20,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:20,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:20,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:20,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:20,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:20,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:20,381 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:20,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:20,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:20,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:20,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:20,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:20,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:20,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:20,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:20,447 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:20,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:20,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:20,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:20,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:20,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:20,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:20,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:20,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:20,514 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:20,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:20,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:20,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:20,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:20,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:20,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:20,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:20,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:20,581 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:20,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:20,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:20,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:20,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:20,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:20,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:20,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:20,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:20,647 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:20,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:20,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:20,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:20,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:20,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:20,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:20,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:20,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:20,714 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:20,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:20,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:20,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:20,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:20,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:20,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:20,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:20,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:20,780 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:20,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:20,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:20,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:20,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:20,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:20,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:20,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:20,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:20,847 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:20,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:20,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:20,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:20,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:20,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:20,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:20,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:20,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:20,913 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:20,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:20,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:20,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:20,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:20,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:20,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:20,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:20,980 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:20,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:20,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:20,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:21,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:21,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:21,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:21,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:21,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:21,047 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:21,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:21,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:21,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:21,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:21,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:21,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:21,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:21,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:21,118 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:21,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:21,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:21,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:21,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:21,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:21,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:21,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:21,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:21,184 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:21,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:21,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:21,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:21,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:21,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:21,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:21,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:21,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:21,251 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:21,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:21,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:21,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:21,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:21,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:21,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:21,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:21,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:21,317 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:21,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:21,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:21,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:21,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:21,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:21,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:21,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:21,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:21,383 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:21,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:21,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:21,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:21,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:21,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:21,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:21,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:21,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:21,448 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:21,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:21,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:21,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:21,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:21,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:21,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:21,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:21,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:21,515 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:21,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:21,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:21,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:21,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:21,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:21,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:21,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:21,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:21,581 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:21,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:21,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:21,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:21,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:21,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:21,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:21,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:21,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:21,647 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:21,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:21,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:21,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:21,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:21,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:21,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:21,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:21,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:21,713 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:21,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:21,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:21,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:21,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:21,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:21,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:21,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:21,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:21,780 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:21,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:21,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:21,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:21,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:21,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:21,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:21,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:21,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:21,846 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:21,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:21,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:21,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:21,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:21,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:21,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:21,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:21,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:21,913 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:21,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:21,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:21,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:21,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:21,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:21,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:21,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:21,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:21,980 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:21,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:21,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:22,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:22,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:22,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:22,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:22,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:22,046 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:22,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:22,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:22,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:22,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:22,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:22,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:22,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:22,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:22,114 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:22,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:22,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:22,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:22,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:22,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:22,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:22,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:22,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:22,181 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:22,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:22,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:22,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:22,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:22,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:22,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:22,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:22,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:22,247 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:22,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:22,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:22,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:22,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:22,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:22,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:22,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:22,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:22,314 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:22,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:22,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:22,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:22,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:22,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:22,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:22,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:22,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:22,381 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:22,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:22,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:22,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:22,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:22,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:22,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:22,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:22,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:22,448 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:22,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:22,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:22,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:22,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:22,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:22,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:22,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:22,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:22,514 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:22,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:22,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:22,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:22,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:22,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:22,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:22,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:22,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:22,580 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:22,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:22,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:22,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:22,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:22,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:22,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:22,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:22,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:22,647 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:22,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:22,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:22,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:22,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:22,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:22,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:22,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:22,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:22,721 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:22,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:22,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:22,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:22,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:22,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:22,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:22,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:22,787 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:22,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:22,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:22,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:22,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:22,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:22,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:22,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:22,853 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:22,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:22,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:22,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:22,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:22,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:22,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:22,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:22,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:22,919 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:22,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:22,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:22,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:22,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:22,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:22,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:22,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:22,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:22,986 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:22,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:22,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:22,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:23,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:23,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:23,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:23,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:23,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:23,053 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:23,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:23,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:23,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:23,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:23,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:23,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:23,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:23,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:23,121 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:23,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:23,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:23,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:23,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:23,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:23,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:23,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:23,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:23,187 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:23,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:23,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:23,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:23,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:23,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:23,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:23,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:23,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:23,253 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:23,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:23,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:23,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:23,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:23,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:23,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:23,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:23,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:23,320 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:23,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:23,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:23,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:23,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:23,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:23,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:23,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:23,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:23,386 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:23,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:23,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:23,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:23,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:23,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:23,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:23,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:23,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:23,452 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:23,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:23,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:23,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:23,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:23,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:23,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:23,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:23,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:23,519 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:23,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:23,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:23,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:23,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:23,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:23,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:23,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:23,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:23,585 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:23,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:23,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:23,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:23,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:23,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:23,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:23,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:23,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:23,652 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:23,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:23,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:23,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:23,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:23,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:23,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:23,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:23,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:23,718 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:23,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:23,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:23,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:23,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:23,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:23,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:23,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:23,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:23,785 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:23,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:23,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:23,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:23,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:23,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:23,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:23,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:23,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:23,851 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:23,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:23,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:23,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:23,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:23,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:23,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:23,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:23,918 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:23,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:23,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:23,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:23,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:23,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:23,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:23,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:23,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:23,984 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:23,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:23,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:23,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:24,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:24,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:24,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:24,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:24,051 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:24,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:24,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:24,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:24,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:24,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:24,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:24,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:24,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:24,119 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:24,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:24,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:24,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:24,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:24,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:24,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:24,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:24,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:24,186 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:24,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:24,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:24,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:24,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:24,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:24,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:24,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:24,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:24,253 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:24,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:24,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:24,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:24,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:24,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:24,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:24,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:24,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:24,320 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:24,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:24,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:24,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:24,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:24,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:24,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:24,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:24,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:24,390 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:24,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:24,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:24,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:24,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:24,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:24,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:24,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:24,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:24,457 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:24,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:24,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:24,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:24,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:24,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:24,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:24,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:24,523 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:24,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:24,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:24,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:24,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:24,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:24,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:24,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:24,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:24,589 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:24,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:24,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:24,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:24,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:24,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:24,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:24,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:24,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:24,655 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:24,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:24,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:24,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:24,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:24,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:24,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:24,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:24,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:24,722 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:24,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:24,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:24,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:24,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:24,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:24,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:24,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:24,788 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:24,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:24,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:24,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:24,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:24,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:24,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:24,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:24,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:24,855 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:24,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:24,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:24,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:24,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:24,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:24,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:24,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:24,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:24,921 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:24,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:24,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:24,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:24,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:24,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:24,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:24,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:24,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:24,988 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:24,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:24,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:24,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:25,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:25,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:25,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:25,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:25,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:25,054 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:25,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:25,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:25,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:25,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:25,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:25,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:25,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:25,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:25,120 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:25,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:25,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:25,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:25,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:25,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:25,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:25,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:25,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:25,187 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:25,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:25,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:25,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:25,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:25,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:25,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:25,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:25,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:25,253 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:25,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:25,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:25,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:25,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:25,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:25,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:25,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:25,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:25,319 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:25,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:25,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:25,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:25,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:25,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:25,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:25,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:25,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:25,386 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:25,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:25,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:25,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:25,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:25,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:25,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:25,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:25,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:25,453 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:25,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:25,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:25,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:25,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:25,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:25,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:25,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:25,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:25,519 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:25,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:25,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:25,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:25,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:25,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:25,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:25,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:25,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:25,586 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:25,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:25,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:25,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:25,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:25,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:25,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:25,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:25,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:25,653 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:25,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:25,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:25,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:25,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:25,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:25,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:25,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:25,720 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:25,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:25,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:25,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:25,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:25,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:25,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:25,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:25,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:25,787 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:25,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:25,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:25,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:25,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:25,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:25,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:25,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:25,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:25,853 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:25,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:25,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:25,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:25,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:25,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:25,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:25,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:25,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:25,921 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:25,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:25,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:25,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:25,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:25,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:25,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:25,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:25,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:25,994 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:25,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:25,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:25,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:26,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:26,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:26,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:26,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:26,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:26,060 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:26,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:26,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:26,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:26,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:26,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:26,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:26,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:26,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:26,128 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:26,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:26,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:26,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:26,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:26,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:26,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:26,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:26,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:26,195 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:26,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:26,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:26,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:26,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:26,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:26,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:26,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:26,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:26,261 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:26,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:26,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:26,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:26,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:26,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:26,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:26,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:26,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:26,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:26,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:26,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:26,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:26,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:26,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:26,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:26,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:26,393 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:26,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:26,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:26,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:26,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:26,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:26,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:26,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:26,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:26,460 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:26,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:26,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:26,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:26,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:26,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:26,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:26,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:26,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:26,526 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:26,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:26,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:26,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:26,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:26,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:26,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:26,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:26,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:26,592 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:26,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:26,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:26,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:26,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:26,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:26,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:26,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:26,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:26,658 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:26,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:26,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:26,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:26,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:26,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:26,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:26,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:26,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:26,725 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:26,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:26,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:26,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:26,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:26,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:26,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:26,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:26,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:26,792 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:26,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:26,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:26,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:26,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:26,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:26,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:26,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:26,858 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:26,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:26,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:26,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:26,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:26,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:26,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:26,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:26,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:26,925 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:26,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:26,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:26,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:26,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:26,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:26,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:26,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:26,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:26,991 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:26,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:26,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:26,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:27,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:27,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:27,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:27,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:27,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:27,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:27,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:27,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:27,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:27,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:27,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:27,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:27,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:27,125 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:27,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:27,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:27,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:27,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:27,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:27,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:27,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:27,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:27,192 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:27,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:27,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:27,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:27,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:27,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:27,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:27,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:27,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:27,259 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:27,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:27,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:27,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:27,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:27,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:27,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:27,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:27,326 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:27,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:27,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:27,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:27,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:27,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:27,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:27,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:27,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:27,393 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:27,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:27,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:27,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:27,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:27,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:27,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:27,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:27,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:27,460 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:27,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:27,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:27,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:27,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:27,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:27,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:27,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:27,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:27,528 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:27,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:27,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:27,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:27,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:27,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:27,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:27,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:27,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:27,601 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:27,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:27,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:27,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:27,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:27,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:27,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:27,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:27,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:27,667 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:27,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:27,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:27,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:27,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:27,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:27,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:27,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:27,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:27,733 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:27,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:27,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:27,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:27,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:27,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:27,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:27,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:27,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:27,800 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:27,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:27,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:27,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:27,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:27,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:27,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:27,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:27,866 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:27,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:27,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:27,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:27,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:27,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:27,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:27,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:27,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:27,932 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:27,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:27,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:27,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:27,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:27,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:27,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:27,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:27,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:27,998 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:27,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:27,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:27,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:28,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:28,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:28,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:28,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:28,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:28,065 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:28,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:28,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:28,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:28,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:28,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:28,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:28,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:28,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:28,132 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:28,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:28,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:28,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:28,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:28,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:28,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:28,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:28,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:28,199 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:28,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:28,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:28,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:28,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:28,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:28,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:28,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:28,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:28,265 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:28,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:28,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:28,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:28,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:28,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:28,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:28,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:28,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:28,332 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:28,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:28,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:28,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:28,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:28,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:28,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:28,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:28,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:28,398 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:28,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:28,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:28,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:28,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:28,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:28,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:28,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:28,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:28,465 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:28,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:28,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:28,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:28,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:28,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:28,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:28,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:28,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:28,532 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:28,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:28,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:28,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:28,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:28,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:28,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:28,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:28,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:28,599 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:28,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:28,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:28,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:28,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:28,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:28,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:28,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:28,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:28,666 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:28,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:28,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:28,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:28,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:28,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:28,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:28,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:28,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:28,733 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:28,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:28,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:28,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:28,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:28,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:28,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:28,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:28,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:28,800 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:28,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:28,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:28,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:28,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:28,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:28,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:28,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:28,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:28,870 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:28,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:28,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:28,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:28,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:28,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:28,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:28,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:28,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:28,938 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:28,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:28,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:28,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:28,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:28,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:29,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:29,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:29,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:29,005 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:29,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:29,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:29,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:29,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:29,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:29,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:29,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:29,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:29,072 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:29,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:29,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:29,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:29,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:29,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:29,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:29,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:29,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:29,140 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:29,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:29,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:29,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:29,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:29,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:29,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:29,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:29,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:29,211 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:29,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:29,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:29,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:29,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:29,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:29,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:29,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:29,277 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:29,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:29,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:29,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:29,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:29,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:29,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:29,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:29,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:29,344 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:29,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:29,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:29,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:29,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:29,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:29,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:29,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:29,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:29,410 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:29,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:29,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:29,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:29,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:29,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:29,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:29,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:29,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:29,476 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:29,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:29,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:29,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:29,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:29,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:29,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:29,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:29,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:29,542 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:29,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:29,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:29,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:29,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:29,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:29,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:29,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:29,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:29,609 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:29,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:29,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:29,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:29,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:29,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:29,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:29,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:29,675 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:29,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:29,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:29,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:29,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:29,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:29,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:29,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:29,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:29,742 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:29,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:29,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:29,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:29,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:29,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:29,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:29,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:29,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:29,808 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:29,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:29,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:29,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:29,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:29,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:29,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:29,874 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:29,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:29,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:29,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:29,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:29,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:29,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:29,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:29,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:29,941 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:29,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:29,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:29,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:29,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:29,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:30,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:30,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:30,008 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:30,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:30,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:30,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:30,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:30,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:30,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:30,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:30,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:30,076 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:30,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:30,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:30,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:30,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:30,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:30,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:30,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:30,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:30,143 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:30,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:30,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:30,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:30,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:30,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:30,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:30,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:30,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:30,210 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:30,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:30,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:30,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:30,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:30,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:30,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:30,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:30,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:30,277 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:30,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:30,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:30,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:30,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:30,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:30,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:30,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:30,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:30,345 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:30,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:30,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:30,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:30,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:30,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:30,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:30,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:30,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:30,412 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:30,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:30,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:30,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:30,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:30,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:30,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:30,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:30,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:30,479 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:30,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:30,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:30,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:30,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:30,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:30,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:30,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:30,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:30,546 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:30,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:30,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:30,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:30,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:30,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:30,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:30,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:30,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:30,613 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:30,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:30,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:30,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:30,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:30,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:30,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:30,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:30,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:30,680 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:30,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:30,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:30,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:30,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:30,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:30,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:30,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:30,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:30,747 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:30,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:30,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:30,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:30,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:30,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:30,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:30,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:30,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:30,821 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:30,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:30,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:30,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:30,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:30,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:30,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:30,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:30,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:30,887 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:30,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:30,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:30,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:30,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:30,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:30,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:30,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:30,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:30,954 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:30,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:30,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:30,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:30,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:30,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:31,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:31,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:31,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:31,021 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:31,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:31,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:31,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:31,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:31,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:31,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:31,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:31,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:31,087 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:31,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:31,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:31,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:31,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:31,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:31,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:31,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:31,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:31,153 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:31,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:31,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:31,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:31,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:31,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:31,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:31,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:31,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:31,220 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:31,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:31,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:31,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:31,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:31,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:31,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:31,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:31,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:31,286 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:31,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:31,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:31,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:31,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:31,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:31,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:31,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:31,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:31,353 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:31,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:31,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:31,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:31,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:31,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:31,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:31,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:31,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:31,419 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:31,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:31,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:31,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:31,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:31,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:31,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:31,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:31,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:31,486 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:31,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:31,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:31,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:31,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:31,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:31,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:31,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:31,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:31,553 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:31,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:31,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:31,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:31,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:31,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:31,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:31,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:31,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:31,620 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:31,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:31,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:31,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:31,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:31,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:31,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:31,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:31,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:31,687 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:31,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:31,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:31,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:31,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:31,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:31,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:31,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:31,754 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:31,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:31,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:31,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:31,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:31,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:31,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:31,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:31,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:31,821 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:31,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:31,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:31,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:31,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:31,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:31,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:31,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:31,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:31,888 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:31,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:31,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:31,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:31,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:31,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:31,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:31,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:31,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:31,955 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:31,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:31,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:31,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:32,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:32,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:32,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:32,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:32,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:32,022 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:32,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:32,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:32,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:32,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:32,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:32,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:32,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:32,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:32,091 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:32,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:32,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:32,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:32,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:32,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:32,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:32,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:32,157 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:32,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:32,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:32,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:32,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:32,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:32,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:32,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:32,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:32,224 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:32,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:32,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:32,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:32,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:32,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:32,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:32,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:32,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:32,292 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:32,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:32,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:32,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:32,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:32,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:32,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:32,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:32,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:32,359 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:32,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:32,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:32,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:32,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:32,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:32,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:32,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:32,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:32,426 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:32,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:32,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:32,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:32,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:32,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:32,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:32,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:32,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:32,496 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:32,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:32,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:32,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:32,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:32,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:32,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:32,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:32,563 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:32,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:32,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:32,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:32,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:32,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:32,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:32,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:32,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:32,629 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:32,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:32,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:32,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:32,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:32,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:32,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:32,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:32,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:32,696 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:32,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:32,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:32,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:32,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:32,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:32,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:32,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:32,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:32,763 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:32,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:32,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:32,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:32,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:32,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:32,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:32,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:32,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:32,829 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:32,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:32,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:32,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:32,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:32,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:32,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:32,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:32,896 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:32,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:32,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:32,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:32,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:32,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:32,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:32,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:32,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:32,963 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:32,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:32,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:32,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:33,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:33,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:33,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:33,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:33,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:33,030 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:33,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:33,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:33,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:33,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:33,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:33,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:33,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:33,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:33,106 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:33,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:33,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:33,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:33,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:33,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:33,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:33,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:33,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:33,172 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:33,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:33,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:33,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:33,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:33,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:33,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:33,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:33,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:33,239 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:33,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:33,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:33,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:33,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:33,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:33,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:33,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:33,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:33,306 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:33,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:33,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:33,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:33,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:33,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:33,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:33,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:33,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:33,373 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:33,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:33,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:33,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:33,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:33,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:33,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:33,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:33,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:33,440 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:33,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:33,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:33,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:33,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:33,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:33,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:33,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:33,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:33,507 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:33,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:33,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:33,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:33,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:33,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:33,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:33,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:33,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:33,574 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:33,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:33,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:33,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:33,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:33,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:33,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:33,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:33,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:33,641 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:33,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:33,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:33,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:33,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:33,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:33,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:33,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:33,708 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:33,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:33,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:33,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:33,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:33,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:33,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:33,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:33,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:33,775 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:33,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:33,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:33,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:33,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:33,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:33,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:33,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:33,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:33,842 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:33,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:33,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:33,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:33,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:33,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:33,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:33,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:33,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:33,909 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:33,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:33,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:33,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:33,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:33,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:33,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:33,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:33,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:33,976 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:33,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:33,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:33,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:34,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:34,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:34,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:34,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:34,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:34,044 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:34,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:34,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:34,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:34,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:34,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:34,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:34,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:34,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:34,116 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:34,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:34,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:34,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:34,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:34,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:34,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:34,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:34,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:34,183 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:34,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:34,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:34,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:34,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:34,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:34,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:34,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:34,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:34,250 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:34,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:34,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:34,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:34,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:34,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:34,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:34,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:34,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:34,317 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:34,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:34,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:34,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:34,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:34,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:34,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:34,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:34,383 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:34,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:34,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:34,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:34,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:34,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:34,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:34,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:34,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:34,449 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:34,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:34,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:34,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:34,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:34,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:34,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:34,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:34,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:34,516 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:34,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:34,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:34,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:34,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:34,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:34,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:34,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:34,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:34,583 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:34,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:34,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:34,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:34,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:34,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:34,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:34,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:34,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:34,649 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:34,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:34,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:34,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:34,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:34,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:34,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:34,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:34,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:34,715 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:34,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:34,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:34,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:34,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:34,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:34,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:34,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:34,782 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:34,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:34,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:34,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:34,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:34,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:34,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:34,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:34,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:34,848 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:34,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:34,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:34,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:34,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:34,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:34,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:34,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:34,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:34,916 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:34,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:34,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:34,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:34,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:34,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:34,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:34,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:34,983 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:34,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:34,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:34,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:35,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:35,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:35,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:35,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:35,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:35,049 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:35,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:35,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:35,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:35,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:35,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:35,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:35,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:35,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:35,116 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:35,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:35,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:35,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:35,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:35,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:35,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:35,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:35,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:35,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:35,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:35,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:35,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:35,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:35,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:35,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:35,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:35,251 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:35,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:35,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:35,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:35,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:35,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:35,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:35,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:35,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:35,319 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:35,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:35,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:35,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:35,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:35,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:35,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:35,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:35,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:35,386 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:35,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:35,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:35,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:35,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:35,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:35,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:35,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:35,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:35,453 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:35,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:35,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:35,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:35,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:35,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:35,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:35,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:35,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:35,521 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:35,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:35,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:35,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:35,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:35,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:35,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:35,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:35,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:35,589 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:35,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:35,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:35,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:35,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:35,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:35,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:35,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:35,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:35,656 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:35,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:35,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:35,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:35,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:35,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:35,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:35,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:35,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:35,730 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:35,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:35,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:35,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:35,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:35,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:35,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:35,796 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:35,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:35,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:35,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:35,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:35,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:35,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:35,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:35,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:35,862 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:35,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:35,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:35,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:35,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:35,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:35,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:35,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:35,929 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:35,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:35,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:35,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:35,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:35,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:35,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:35,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:35,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:35,996 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:35,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:35,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:35,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:36,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:36,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:36,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:36,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:36,062 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:36,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:36,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:36,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:36,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:36,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:36,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:36,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:36,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:36,130 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:36,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:36,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:36,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:36,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:36,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:36,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:36,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:36,197 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:36,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:36,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:36,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:36,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:36,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:36,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:36,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:36,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:36,264 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:36,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:36,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:36,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:36,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:36,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:36,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:36,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:36,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:36,331 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:36,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:36,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:36,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:36,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:36,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:36,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:36,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:36,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:36,398 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:36,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:36,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:36,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:36,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:36,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:36,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:36,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:36,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:36,465 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:36,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:36,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:36,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:36,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:36,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:36,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:36,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:36,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:36,533 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:36,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:36,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:36,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:36,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:36,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:36,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:36,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:36,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:36,600 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:36,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:36,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:36,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:36,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:36,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:36,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:36,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:36,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:36,667 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:36,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:36,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:36,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:36,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:36,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:36,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:36,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:36,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:36,734 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:36,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:36,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:36,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:36,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:36,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:36,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:36,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:36,801 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:36,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:36,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:36,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:36,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:36,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:36,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:36,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:36,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:36,869 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:36,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:36,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:36,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:36,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:36,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:36,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:36,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:36,937 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:36,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:36,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:36,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:36,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:36,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:37,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:37,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:37,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:37,004 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:37,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:37,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:37,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:37,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:37,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:37,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:37,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:37,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:37,071 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:37,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:37,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:37,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:37,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:37,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:37,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:37,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:37,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:37,138 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:37,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:37,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:37,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:37,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:37,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:37,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:37,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:37,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:37,205 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:37,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:37,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:37,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:37,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:37,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:37,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:37,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:37,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:37,273 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:37,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:37,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:37,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:37,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:37,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:37,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:37,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:37,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:37,345 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:37,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:37,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:37,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:37,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:37,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:37,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:37,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:37,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:37,411 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:37,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:37,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:37,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:37,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:37,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:37,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:37,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:37,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:37,478 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:37,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:37,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:37,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:37,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:37,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:37,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:37,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:37,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:37,545 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:37,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:37,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:37,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:37,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:37,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:37,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:37,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:37,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:37,611 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:37,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:37,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:37,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:37,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:37,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:37,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:37,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:37,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:37,678 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:37,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:37,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:37,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:37,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:37,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:37,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:37,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:37,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:37,745 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:37,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:37,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:37,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:37,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:37,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:37,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:37,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:37,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:37,812 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:37,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:37,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:37,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:37,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:37,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:37,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:37,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:37,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:37,879 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:37,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:37,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:37,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:37,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:37,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:37,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:37,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:37,946 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:37,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:37,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:37,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:37,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:37,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:38,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:38,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:38,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:38,013 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:38,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:38,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:38,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:38,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:38,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:38,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:38,082 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:38,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:38,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:38,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:38,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:38,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:38,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:38,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:38,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:38,149 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:38,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:38,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:38,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:38,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:38,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:38,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:38,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:38,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:38,216 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:38,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:38,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:38,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:38,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:38,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:38,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:38,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:38,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:38,283 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:38,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:38,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:38,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:38,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:38,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:38,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:38,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:38,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:38,351 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:38,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:38,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:38,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:38,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:38,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:38,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:38,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:38,418 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:38,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:38,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:38,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:38,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:38,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:38,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:38,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:38,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:38,485 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:38,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:38,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:38,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:38,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:38,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:38,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:38,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:38,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:38,552 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:38,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:38,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:38,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:38,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:38,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:38,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:38,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:38,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:38,620 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:38,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:38,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:38,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:38,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:38,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:38,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:38,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:38,687 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:38,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:38,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:38,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:38,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:38,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:38,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:38,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:38,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:38,754 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:38,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:38,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:38,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:38,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:38,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:38,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:38,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:38,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:38,822 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:38,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:38,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:38,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:38,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:38,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:38,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:38,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:38,911 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:38,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:38,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:38,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:38,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:38,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:38,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:38,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:38,988 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:38,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:38,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:38,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:39,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:39,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:39,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:39,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:39,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:39,055 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:39,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:39,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:39,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:39,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:39,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:39,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:39,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:39,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:39,122 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:39,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:39,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:39,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:39,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:39,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:39,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:39,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:39,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:39,189 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:39,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:39,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:39,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:39,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:39,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:39,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:39,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:39,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:39,256 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:39,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:39,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:39,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:39,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:39,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:39,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:39,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:39,323 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:39,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:39,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:39,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:39,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:39,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:39,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:39,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:39,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:39,391 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:39,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:39,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:39,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:39,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:39,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:39,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:39,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:39,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:39,459 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:39,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:39,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:39,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:39,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:39,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:39,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:39,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:39,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:39,527 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:39,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:39,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:39,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:39,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:39,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:39,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:39,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:39,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:39,595 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:39,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:39,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:39,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:39,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:39,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:39,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:39,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:39,663 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:39,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:39,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:39,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:39,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:39,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:39,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:39,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:39,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:39,731 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:39,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:39,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:39,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:39,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:39,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:39,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:39,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:39,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:39,799 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:39,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:39,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:39,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:39,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:39,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:39,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:39,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:39,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:39,866 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:39,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:39,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:39,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:39,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:39,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:39,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:39,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:39,933 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:39,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:39,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:39,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:39,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:39,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:39,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:40,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:40,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:40,001 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:40,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:40,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:40,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:40,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:40,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:40,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:40,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:40,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:40,070 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:40,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:40,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:40,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:40,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:40,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:40,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:40,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:40,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:40,139 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:40,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:40,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:40,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:40,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:40,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:40,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:40,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:40,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:40,207 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:40,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:40,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:40,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:40,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:40,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:40,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:40,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:40,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:40,276 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:40,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:40,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:40,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:40,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:40,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:40,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:40,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:40,344 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:40,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:40,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:40,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:40,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:40,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:40,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:40,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:40,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:40,413 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:40,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:40,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:40,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:40,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:40,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:40,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:40,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:40,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:40,482 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:40,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:40,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:40,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:40,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:40,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:40,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:40,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:40,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:40,551 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:40,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:40,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:40,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:40,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:40,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:40,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:40,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:40,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:40,618 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:40,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:40,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:40,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:40,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:40,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:40,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:40,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:40,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:40,690 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:40,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:40,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:40,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:40,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:40,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:40,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:40,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:40,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:40,758 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:40,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:40,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:40,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:40,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:40,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:40,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:40,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:40,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:40,825 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:40,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:40,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:40,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:40,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:40,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:40,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:40,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:40,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:40,893 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:40,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:40,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:40,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:40,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:40,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:40,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:40,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:40,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:40,961 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:40,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:40,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:40,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:41,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:41,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:41,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:41,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:41,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:41,029 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:41,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:41,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:41,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:41,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:41,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:41,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:41,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:41,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:41,097 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:41,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:41,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:41,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:41,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:41,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:41,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:41,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:41,165 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:41,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:41,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:41,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:41,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:41,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:41,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:41,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:41,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:41,233 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:41,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:41,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:41,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:41,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:41,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:41,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:41,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:41,300 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:41,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:41,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:41,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:41,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:41,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:41,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:41,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:41,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:41,368 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:41,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:41,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:41,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:41,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:41,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:41,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:41,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:41,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:41,436 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:41,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:41,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:41,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:41,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:41,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:41,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:41,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:41,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:41,503 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:41,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:41,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:41,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:41,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:41,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:41,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:41,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:41,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:41,571 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:41,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:41,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:41,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:41,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:41,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:41,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:41,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:41,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:41,639 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:41,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:41,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:41,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:41,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:41,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:41,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:41,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:41,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:41,708 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:41,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:41,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:41,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:41,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:41,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:41,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:41,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:41,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:41,776 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:41,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:41,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:41,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:41,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:41,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:41,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:41,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:41,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:41,844 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:41,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:41,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:41,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:41,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:41,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:41,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:41,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:41,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:41,912 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:41,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:41,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:41,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:41,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:41,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:41,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:41,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:41,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:41,981 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:41,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:41,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:41,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:42,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:42,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:42,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:42,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:42,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:42,049 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:42,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:42,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:42,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:42,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:42,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:42,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:42,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:42,119 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:42,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:42,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:42,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:42,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:42,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:42,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:42,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:42,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:42,188 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:42,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:42,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:42,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:42,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:42,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:42,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:42,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:42,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:42,256 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:42,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:42,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:42,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:42,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:42,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:42,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:42,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:42,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:42,328 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:42,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:42,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:42,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:42,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:42,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:42,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:42,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:42,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:42,397 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:42,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:42,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:42,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:42,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:42,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:42,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:42,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:42,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:42,464 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:42,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:42,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:42,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:42,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:42,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:42,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:42,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:42,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:42,532 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:42,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:42,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:42,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:42,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:42,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:42,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:42,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:42,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:42,600 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:42,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:42,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:42,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:42,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:42,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:42,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:42,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:42,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:42,668 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:42,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:42,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:42,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:42,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:42,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:42,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:42,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:42,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:42,736 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:42,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:42,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:42,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:42,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:42,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:42,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:42,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:42,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:42,803 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:42,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:42,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:42,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:42,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:42,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:42,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:42,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:42,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:42,870 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:42,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:42,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:42,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:42,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:42,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:42,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:42,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:42,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:42,938 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:42,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:42,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:42,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:42,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:42,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:43,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:43,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:43,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:43,006 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:43,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:43,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:43,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:43,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:43,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:43,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:43,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:43,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:43,075 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:43,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:43,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:43,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:43,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:43,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:43,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:43,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:43,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:43,144 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:43,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:43,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:43,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:43,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:43,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:43,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:43,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:43,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:43,212 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:43,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:43,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:43,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:43,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:43,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:43,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:43,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:43,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:43,280 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:43,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:43,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:43,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:43,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:43,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:43,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:43,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:43,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:43,348 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:43,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:43,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:43,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:43,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:43,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:43,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:43,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:43,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:43,418 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:43,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:43,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:43,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:43,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:43,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:43,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:43,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:43,486 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:43,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:43,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:43,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:43,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:43,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:43,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:43,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:43,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:43,555 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:43,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:43,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:43,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:43,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:43,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:43,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:43,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:43,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:43,623 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:43,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:43,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:43,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:43,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:43,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:43,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:43,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:43,691 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:43,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:43,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:43,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:43,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:43,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:43,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:43,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:43,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:43,759 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:43,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:43,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:43,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:43,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:43,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:43,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:43,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:43,827 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:43,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:43,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:43,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:43,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:43,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:43,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:43,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:43,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:43,896 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:43,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:43,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:43,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:43,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:43,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:43,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:43,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:43,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:43,969 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:43,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:43,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:43,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:44,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:44,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:44,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:44,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:44,037 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:44,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:44,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:44,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:44,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:44,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:44,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:44,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:44,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:44,106 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:44,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:44,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:44,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:44,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:44,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:44,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:44,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:44,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:44,174 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:44,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:44,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:44,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:44,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:44,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:44,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:44,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:44,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:44,242 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:44,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:44,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:44,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:44,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:44,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:44,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:44,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:44,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:44,310 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:44,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:44,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:44,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:44,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:44,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:44,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:44,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:44,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:44,378 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:44,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:44,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:44,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:44,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:44,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:44,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:44,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:44,445 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:44,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:44,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:44,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:44,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:44,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:44,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:44,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:44,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:44,513 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:44,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:44,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:44,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:44,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:44,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:44,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:44,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:44,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:44,581 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:44,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:44,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:44,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:44,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:44,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:44,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:44,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:44,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:44,649 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:44,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:44,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:44,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:44,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:44,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:44,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:44,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:44,717 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:44,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:44,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:44,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:44,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:44,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:44,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:44,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:44,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:44,785 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:44,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:44,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:44,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:44,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:44,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:44,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:44,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:44,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:44,852 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:44,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:44,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:44,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:44,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:44,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:44,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:44,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:44,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:44,920 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:44,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:44,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:44,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:44,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:44,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:44,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:44,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:44,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:44,989 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:44,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:44,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:44,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:45,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:45,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:45,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:45,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:45,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:45,058 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:45,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:45,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:45,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:45,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:45,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:45,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:45,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:45,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:45,126 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:45,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:45,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:45,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:45,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:45,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:45,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:45,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:45,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:45,194 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:45,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:45,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:45,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:45,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:45,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:45,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:45,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:45,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:45,264 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:45,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:45,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:45,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:45,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:45,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:45,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:45,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:45,332 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:45,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:45,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:45,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:45,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:45,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:45,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:45,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:45,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:45,400 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:45,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:45,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:45,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:45,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:45,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:45,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:45,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:45,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:45,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:45,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:45,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:45,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:45,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:45,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:45,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:45,536 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:45,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:45,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:45,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:45,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:45,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:45,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:45,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:45,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:45,609 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:45,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:45,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:45,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:45,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:45,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:45,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:45,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:45,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:45,677 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:45,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:45,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:45,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:45,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:45,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:45,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:45,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:45,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:45,744 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:45,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:45,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:45,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:45,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:45,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:45,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:45,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:45,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:45,813 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:45,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:45,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:45,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:45,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:45,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:45,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:45,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:45,881 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:45,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:45,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:45,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:45,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:45,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:45,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:45,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:45,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:45,949 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:45,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:45,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:45,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:45,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:45,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:46,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:46,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:46,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:46,017 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:46,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:46,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:46,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:46,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:46,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:46,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:46,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:46,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:46,086 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:46,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:46,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:46,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:46,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:46,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:46,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:46,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:46,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:46,154 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:46,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:46,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:46,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:46,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:46,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:46,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:46,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:46,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:46,222 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:46,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:46,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:46,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:46,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:46,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:46,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:46,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:46,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:46,290 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:46,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:46,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:46,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:46,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:46,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:46,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:46,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:46,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:46,358 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:46,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:46,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:46,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:46,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:46,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:46,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:46,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:46,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:46,427 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:46,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:46,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:46,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:46,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:46,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:46,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:46,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:46,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:46,494 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:46,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:46,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:46,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:46,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:46,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:46,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:46,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:46,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:46,562 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:46,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:46,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:46,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:46,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:46,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:46,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:46,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:46,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:46,631 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:46,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:46,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:46,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:46,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:46,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:46,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:46,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:46,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:46,699 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:46,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:46,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:46,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:46,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:46,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:46,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:46,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:46,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:46,767 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:46,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:46,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:46,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:46,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:46,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:46,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:46,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:46,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:46,835 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:46,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:46,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:46,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:46,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:46,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:46,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:46,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:46,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:46,904 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:46,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:46,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:46,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:46,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:46,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:46,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:46,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:46,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:46,972 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:46,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:46,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:46,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:47,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:47,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:47,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:47,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:47,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:47,041 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:47,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:47,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:47,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:47,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:47,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:47,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:47,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:47,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:47,109 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:47,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:47,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:47,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:47,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:47,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:47,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:47,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:47,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:47,178 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:47,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:47,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:47,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:47,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:47,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:47,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:47,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:47,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:47,253 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:47,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:47,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:47,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:47,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:47,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:47,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:47,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:47,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:47,321 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:47,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:47,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:47,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:47,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:47,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:47,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:47,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:47,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:47,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:47,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:47,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:47,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:47,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:47,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:47,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:47,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:47,456 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:47,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:47,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:47,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:47,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:47,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:47,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:47,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:47,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:47,523 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:47,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:47,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:47,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:47,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:47,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:47,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:47,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:47,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:47,591 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:47,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:47,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:47,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:47,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:47,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:47,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:47,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:47,660 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:47,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:47,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:47,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:47,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:47,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:47,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:47,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:47,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:47,728 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:47,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:47,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:47,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:47,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:47,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:47,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:47,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:47,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:47,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:47,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:47,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:47,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:47,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:47,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:47,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:47,864 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:47,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:47,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:47,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:47,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:47,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:47,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:47,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:47,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:47,932 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:47,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:47,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:47,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:47,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:47,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:47,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:48,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:48,000 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:48,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:48,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:48,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:48,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:48,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:48,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:48,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:48,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:48,068 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:48,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:48,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:48,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:48,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:48,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:48,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:48,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:48,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:48,138 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:48,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:48,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:48,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:48,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:48,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:48,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:48,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:48,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:48,206 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:48,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:48,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:48,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:48,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:48,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:48,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:48,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:48,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:48,275 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:48,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:48,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:48,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:48,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:48,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:48,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:48,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:48,344 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:48,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:48,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:48,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:48,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:48,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:48,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:48,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:48,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:48,412 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:48,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:48,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:48,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:48,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:48,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:48,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:48,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:48,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:48,481 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:48,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:48,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:48,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:48,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:48,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:48,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:48,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:48,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:48,550 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:48,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:48,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:48,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:48,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:48,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:48,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:48,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:48,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:48,619 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:48,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:48,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:48,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:48,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:48,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:48,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:48,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:48,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:48,687 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:48,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:48,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:48,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:48,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:48,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:48,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:48,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:48,755 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:48,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:48,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:48,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:48,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:48,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:48,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:48,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:48,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:48,824 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:48,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:48,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:48,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:48,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:48,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:48,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:48,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:48,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:48,893 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:48,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:48,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:48,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:48,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:48,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:48,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:48,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:48,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:48,965 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:48,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:48,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:48,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:49,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:49,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:49,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:49,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:49,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:49,033 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:49,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:49,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:49,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:49,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:49,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:49,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:49,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:49,101 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:49,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:49,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:49,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:49,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:49,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:49,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:49,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:49,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:49,169 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:49,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:49,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:49,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:49,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:49,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:49,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:49,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:49,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:49,238 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:49,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:49,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:49,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:49,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:49,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:49,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:49,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:49,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:49,306 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:49,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:49,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:49,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:49,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:49,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:49,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:49,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:49,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:49,374 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:49,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:49,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:49,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:49,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:49,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:49,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:49,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:49,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:49,443 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:49,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:49,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:49,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:49,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:49,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:49,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:49,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:49,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:49,511 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:49,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:49,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:49,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:49,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:49,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:49,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:49,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:49,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:49,579 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:49,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:49,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:49,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:49,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:49,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:49,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:49,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:49,647 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:49,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:49,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:49,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:49,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:49,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:49,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:49,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:49,715 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:49,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:49,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:49,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:49,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:49,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:49,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:49,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:49,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:49,784 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:49,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:49,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:49,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:49,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:49,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:49,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:49,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:49,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:49,852 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:49,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:49,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:49,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:49,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:49,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:49,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:49,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:49,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:49,921 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:49,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:49,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:49,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:49,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:49,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:49,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:49,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:49,989 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:49,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:49,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:49,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:50,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:50,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:50,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:50,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:50,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:50,058 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:50,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:50,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:50,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:50,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:50,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:50,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:50,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:50,127 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:50,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:50,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:50,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:50,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:50,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:50,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:50,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:50,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:50,197 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:50,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:50,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:50,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:50,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:50,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:50,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:50,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:50,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:50,265 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:50,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:50,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:50,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:50,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:50,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:50,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:50,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:50,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:50,333 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:50,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:50,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:50,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:50,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:50,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:50,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:50,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:50,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:50,402 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:50,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:50,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:50,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:50,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:50,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:50,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:50,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:50,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:50,470 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:50,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:50,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:50,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:50,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:50,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:50,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:50,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:50,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:50,539 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:50,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:50,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:50,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:50,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:50,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:50,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:50,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:50,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:50,613 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:50,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:50,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:50,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:50,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:50,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:50,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:50,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:50,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:50,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:50,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:50,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:50,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:50,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:50,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:50,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:50,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:50,752 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:50,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:50,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:50,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:50,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:50,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:50,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:50,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:50,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:50,822 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:50,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:50,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:50,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:50,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:50,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:50,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:50,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:50,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:50,892 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:50,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:50,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:50,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:50,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:50,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:50,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:50,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:50,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:50,962 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:50,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:50,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:50,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:51,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:51,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:51,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:51,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:51,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:51,032 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:51,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:51,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:51,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:51,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:51,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:51,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:51,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:51,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:51,102 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:51,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:51,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:51,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:51,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:51,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:51,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:51,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:51,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:51,172 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:51,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:51,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:51,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:51,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:51,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:51,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:51,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:51,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:51,239 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:51,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:51,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:51,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:51,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:51,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:51,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:51,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:51,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:51,307 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:51,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:51,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:51,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:51,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:51,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:51,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:51,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:51,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:51,376 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:51,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:51,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:51,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:51,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:51,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:51,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:51,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:51,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:51,444 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:51,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:51,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:51,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:51,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:51,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:51,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:51,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:51,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:51,512 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:51,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:51,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:51,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:51,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:51,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:51,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:51,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:51,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:51,581 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:51,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:51,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:51,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:51,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:51,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:51,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:51,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:51,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:51,650 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:51,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:51,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:51,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:51,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:51,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:51,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:51,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:51,718 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:51,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:51,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:51,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:51,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:51,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:51,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:51,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:51,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:51,787 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:51,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:51,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:51,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:51,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:51,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:51,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:51,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:51,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:51,857 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:51,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:51,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:51,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:51,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:51,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:51,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:51,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:51,925 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:51,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:51,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:51,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:51,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:51,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:51,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:51,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:51,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:51,994 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:51,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:51,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:51,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:52,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:52,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:52,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:52,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:52,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:52,063 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:52,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:52,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:52,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:52,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:52,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:52,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:52,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:52,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:52,133 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:52,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:52,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:52,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:52,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:52,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:52,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:52,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:52,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:52,203 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:52,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:52,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:52,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:52,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:52,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:52,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:52,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:52,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:52,278 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:52,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:52,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:52,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:52,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:52,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:52,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:52,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:52,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:52,346 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:52,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:52,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:52,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:52,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:52,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:52,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:52,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:52,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:52,413 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:52,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:52,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:52,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:52,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:52,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:52,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:52,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:52,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:52,481 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:52,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:52,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:52,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:52,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:52,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:52,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:52,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:52,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:52,550 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:52,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:52,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:52,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:52,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:52,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:52,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:52,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:52,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:52,618 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:52,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:52,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:52,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:52,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:52,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:52,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:52,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:52,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:52,686 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:52,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:52,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:52,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:52,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:52,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:52,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:52,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:52,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:52,753 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:52,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:52,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:52,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:52,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:52,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:52,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:52,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:52,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:52,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:52,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:52,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:52,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:52,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:52,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:52,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:52,889 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:52,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:52,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:52,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:52,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:52,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:52,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:52,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:52,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:52,958 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:52,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:52,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:52,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:53,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:53,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:53,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:53,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:53,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:53,026 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:53,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:53,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:53,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:53,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:53,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:53,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:53,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:53,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:53,095 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:53,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:53,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:53,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:53,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:53,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:53,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:53,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:53,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:53,167 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:53,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:53,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:53,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:53,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:53,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:53,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:53,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:53,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:53,236 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:53,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:53,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:53,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:53,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:53,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:53,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:53,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:53,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:53,304 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:53,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:53,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:53,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:53,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:53,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:53,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:53,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:53,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:53,373 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:53,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:53,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:53,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:53,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:53,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:53,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:53,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:53,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:53,441 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:53,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:53,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:53,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:53,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:53,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:53,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:53,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:53,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:53,511 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:53,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:53,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:53,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:53,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:53,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:53,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:53,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:53,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:53,579 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:53,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:53,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:53,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:53,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:53,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:53,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:53,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:53,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:53,647 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:53,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:53,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:53,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:53,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:53,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:53,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:53,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:53,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:53,716 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:53,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:53,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:53,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:53,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:53,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:53,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:53,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:53,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:53,785 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:53,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:53,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:53,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:53,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:53,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:53,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:53,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:53,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:53,853 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:53,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:53,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:53,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:53,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:53,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:53,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:53,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:53,927 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:53,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:53,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:53,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:53,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:53,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:53,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:53,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:53,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:53,995 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:53,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:53,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:53,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:54,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:54,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:54,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:54,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:54,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:54,065 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:54,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:54,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:54,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:54,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:54,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:54,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:54,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:54,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:54,134 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:54,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:54,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:54,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:54,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:54,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:54,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:54,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:54,202 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:54,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:54,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:54,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:54,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:54,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:54,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:54,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:54,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:54,270 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:54,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:54,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:54,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:54,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:54,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:54,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:54,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:54,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:54,338 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:54,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:54,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:54,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:54,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:54,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:54,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:54,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:54,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:54,407 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:54,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:54,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:54,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:54,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:54,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:54,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:54,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:54,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:54,476 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:54,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:54,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:54,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:54,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:54,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:54,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:54,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:54,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:54,544 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:54,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:54,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:54,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:54,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:54,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:54,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:54,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:54,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:54,612 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:54,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:54,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:54,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:54,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:54,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:54,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:54,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:54,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:54,680 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:54,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:54,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:54,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:54,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:54,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:54,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:54,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:54,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:54,749 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:54,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:54,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:54,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:54,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:54,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:54,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:54,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:54,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:54,818 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:54,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:54,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:54,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:54,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:54,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:54,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:54,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:54,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:54,888 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:54,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:54,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:54,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:54,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:54,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:54,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:54,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:54,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:54,956 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:54,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:54,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:54,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:55,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:55,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:55,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:55,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:55,024 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:55,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:55,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:55,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:55,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:55,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:55,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:55,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:55,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:55,092 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:55,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:55,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:55,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:55,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:55,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:55,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:55,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:55,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:55,161 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:55,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:55,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:55,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:55,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:55,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:55,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:55,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:55,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:55,229 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:55,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:55,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:55,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:55,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:55,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:55,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:55,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:55,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:55,297 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:55,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:55,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:55,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:55,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:55,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:55,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:55,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:55,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:55,366 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:55,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:55,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:55,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:55,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:55,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:55,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:55,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:55,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:55,434 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:55,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:55,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:55,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:55,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:55,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:55,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:55,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:55,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:55,504 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:55,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:55,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:55,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:55,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:55,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:55,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:55,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:55,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:55,579 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:55,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:55,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:55,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:55,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:55,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:55,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:55,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:55,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:55,647 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:55,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:55,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:55,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:55,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:55,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:55,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:55,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:55,716 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:55,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:55,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:55,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:55,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:55,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:55,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:55,785 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:55,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:55,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:55,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:55,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:55,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:55,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:55,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:55,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:55,853 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:55,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:55,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:55,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:55,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:55,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:55,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:55,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:55,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:55,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:55,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:55,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:55,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:55,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:55,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:55,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:55,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:55,989 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:55,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:55,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:55,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:56,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:56,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:56,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:56,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:56,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:56,058 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:56,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:56,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:56,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:56,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:56,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:56,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:56,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:56,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:56,128 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:56,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:56,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:56,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:56,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:56,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:56,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:56,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:56,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:56,195 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:56,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:56,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:56,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:56,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:56,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:56,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:56,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:56,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:56,264 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:56,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:56,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:56,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:56,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:56,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:56,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:56,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:56,332 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:56,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:56,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:56,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:56,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:56,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:56,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:56,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:56,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:56,401 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:56,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:56,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:56,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:56,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:56,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:56,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:56,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:56,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:56,469 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:56,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:56,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:56,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:56,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:56,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:56,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:56,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:56,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:56,537 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:56,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:56,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:56,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:56,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:56,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:56,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:56,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:56,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:56,605 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:56,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:56,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:56,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:56,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:56,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:56,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:56,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:56,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:56,674 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:56,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:56,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:56,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:56,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:56,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:56,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:56,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:56,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:56,743 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:56,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:56,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:56,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:56,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:56,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:56,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:56,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:56,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:56,812 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:56,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:56,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:56,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:56,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:56,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:56,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:56,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:56,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:56,880 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:56,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:56,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:56,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:56,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:56,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:56,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:56,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:56,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:56,950 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:56,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:56,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:56,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:56,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:56,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:57,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:57,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:57,019 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:57,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:57,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:57,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:57,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:57,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:57,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:57,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:57,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:57,088 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:57,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:57,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:57,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:57,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:57,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:57,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:57,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:57,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:57,157 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:57,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:57,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:57,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:57,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:57,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:57,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:57,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:57,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:57,226 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:57,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:57,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:57,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:57,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:57,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:57,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:57,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:57,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:57,298 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:57,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:57,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:57,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:57,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:57,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:57,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:57,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:57,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:57,367 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:57,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:57,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:57,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:57,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:57,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:57,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:57,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:57,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:57,436 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:57,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:57,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:57,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:57,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:57,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:57,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:57,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:57,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:57,504 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:57,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:57,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:57,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:57,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:57,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:57,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:57,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:57,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:57,571 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:57,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:57,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:57,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:57,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:57,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:57,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:57,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:57,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:57,639 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:57,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:57,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:57,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:57,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:57,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:57,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:57,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:57,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:57,708 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:57,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:57,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:57,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:57,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:57,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:57,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:57,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:57,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:57,776 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:57,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:57,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:57,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:57,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:57,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:57,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:57,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:57,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:57,844 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:57,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:57,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:57,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:57,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:57,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:57,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:57,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:57,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:57,913 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:57,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:57,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:57,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:57,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:57,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:57,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:57,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:57,982 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:57,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:57,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:57,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:58,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:58,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:58,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:58,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:58,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:58,051 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:58,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:58,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:58,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:58,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:58,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:58,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:58,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:58,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:58,120 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:58,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:58,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:58,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:58,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:58,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:58,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:58,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:58,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:58,189 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:58,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:58,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:58,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:58,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:58,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:58,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:58,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:58,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:58,259 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:58,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:58,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:58,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:58,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:58,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:58,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:58,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:58,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:58,328 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:58,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:58,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:58,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:58,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:58,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:58,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:58,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:58,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:58,397 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:58,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:58,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:58,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:58,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:58,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:58,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:58,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:58,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:58,465 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:58,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:58,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:58,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:58,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:58,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:58,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:58,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:58,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:58,534 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:58,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:58,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:58,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:58,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:58,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:58,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:58,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:58,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:58,603 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:58,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:58,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:58,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:58,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:58,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:58,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:58,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:58,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:58,672 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:58,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:58,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:58,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:58,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:58,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:58,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:58,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:58,741 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:58,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:58,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:58,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:58,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:58,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:58,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:58,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:58,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:58,809 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:58,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:58,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:58,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:58,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:58,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:58,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:58,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:58,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:58,878 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:58,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:58,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:58,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:58,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:58,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:58,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:58,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:58,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:58,952 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:58,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:58,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:58,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:58,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:58,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:59,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:59,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:59,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:59,020 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:59,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:59,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:59,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:59,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:59,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:59,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:59,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:59,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:59,089 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:59,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:59,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:59,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:59,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:59,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:59,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:59,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:59,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:59,157 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:59,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:59,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:59,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:59,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:59,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:59,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:59,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:59,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:59,225 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:59,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:59,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:59,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:59,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:59,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:59,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:59,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:59,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:59,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:59,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:59,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:59,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:59,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:59,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:59,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:59,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:59,362 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:59,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:59,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:59,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:59,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:59,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:59,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:59,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:59,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:59,431 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:59,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:59,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:59,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:59,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:59,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:59,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:59,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:59,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:59,500 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:59,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:59,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:59,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:59,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:59,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:59,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:59,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:59,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:59,568 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:59,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:59,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:59,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:59,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:59,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:59,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:59,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:59,637 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:59,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:59,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:59,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:59,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:59,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:59,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:59,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:59,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:59,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:59,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:59,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:59,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:59,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:59,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:59,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:59,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:59,774 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:59,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:59,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:59,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:59,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:59,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:59,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:59,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:59,843 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:59,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:59,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:59,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:59,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:59,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:59,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:59,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:59,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:59,912 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:59,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:59,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:59,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:59,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:31:59,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:59,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:31:59,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:59,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:31:59,980 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:31:59,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:31:59,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:59,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:00,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:32:00,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:00,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:32:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:00,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:32:00,050 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:32:00,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:32:00,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:00,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:00,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:32:00,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:00,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:32:00,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:00,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:32:00,120 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:32:00,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:32:00,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:00,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:00,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:32:00,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:00,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:32:00,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:00,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:32:00,189 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:32:00,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:32:00,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:00,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:00,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:32:00,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:32:00,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:00,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:32:00,258 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:32:00,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:32:00,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:00,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:00,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:32:00,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:00,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:32:00,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:00,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:32:00,326 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:32:00,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:32:00,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:00,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:00,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:32:00,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:00,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:32:00,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:00,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:32:00,395 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:32:00,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:32:00,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:00,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:00,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:32:00,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:00,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:32:00,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:00,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:32:00,463 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:32:00,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:32:00,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:00,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:00,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:32:00,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:00,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:32:00,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:00,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:32:00,533 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:32:00,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:32:00,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:00,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:00,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:32:00,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:00,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:32:00,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:00,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 52 transitions. [2021-11-22 23:32:00,607 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-22 23:32:00,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:32:00,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:00,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat