./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-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_46bbcd82-12ad-4928-abef-abcbf05dd867/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bbcd82-12ad-4928-abef-abcbf05dd867/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_46bbcd82-12ad-4928-abef-abcbf05dd867/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bbcd82-12ad-4928-abef-abcbf05dd867/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bbcd82-12ad-4928-abef-abcbf05dd867/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_46bbcd82-12ad-4928-abef-abcbf05dd867/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 112107fc5c716e652a88d8f7f89344593e9707a3eff2542706a71844f3fcba7a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:43:33,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:43:33,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:43:33,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:43:33,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:43:33,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:43:33,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:43:33,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:43:33,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:43:33,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:43:33,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:43:33,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:43:33,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:43:33,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:43:33,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:43:33,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:43:33,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:43:33,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:43:33,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:43:33,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:43:33,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:43:33,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:43:33,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:43:33,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:43:33,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:43:33,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:43:33,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:43:33,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:43:33,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:43:33,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:43:33,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:43:33,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:43:33,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:43:33,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:43:33,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:43:33,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:43:33,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:43:33,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:43:33,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:43:33,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:43:33,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:43:33,913 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bbcd82-12ad-4928-abef-abcbf05dd867/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:43:33,973 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:43:33,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:43:33,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:43:33,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:43:33,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:43:33,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:43:33,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:43:33,978 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:43:33,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:43:33,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:43:33,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:43:33,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:43:33,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:43:33,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:43:33,981 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:43:33,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:43:33,982 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:43:33,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:43:33,982 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:43:33,983 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:43:33,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:43:33,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:43:33,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:43:33,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:43:33,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:43:33,985 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:43:33,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:43:33,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:43:33,986 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_46bbcd82-12ad-4928-abef-abcbf05dd867/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bbcd82-12ad-4928-abef-abcbf05dd867/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112107fc5c716e652a88d8f7f89344593e9707a3eff2542706a71844f3fcba7a [2021-11-23 01:43:34,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:43:34,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:43:34,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:43:34,428 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:43:34,429 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:43:34,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bbcd82-12ad-4928-abef-abcbf05dd867/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c [2021-11-23 01:43:34,556 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bbcd82-12ad-4928-abef-abcbf05dd867/bin/ukojak-LBtLqBUTdQ/data/340bac9bb/045dc869793b4a1195f7a31937b86cce/FLAG986341914 [2021-11-23 01:43:35,108 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:43:35,109 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bbcd82-12ad-4928-abef-abcbf05dd867/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c [2021-11-23 01:43:35,117 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bbcd82-12ad-4928-abef-abcbf05dd867/bin/ukojak-LBtLqBUTdQ/data/340bac9bb/045dc869793b4a1195f7a31937b86cce/FLAG986341914 [2021-11-23 01:43:35,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bbcd82-12ad-4928-abef-abcbf05dd867/bin/ukojak-LBtLqBUTdQ/data/340bac9bb/045dc869793b4a1195f7a31937b86cce [2021-11-23 01:43:35,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:43:35,475 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:43:35,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:43:35,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:43:35,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:43:35,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:43:35" (1/1) ... [2021-11-23 01:43:35,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@375b9b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:35, skipping insertion in model container [2021-11-23 01:43:35,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:43:35" (1/1) ... [2021-11-23 01:43:35,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:43:35,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:43:35,737 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_46bbcd82-12ad-4928-abef-abcbf05dd867/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c[546,559] [2021-11-23 01:43:35,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:43:35,776 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:43:35,807 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_46bbcd82-12ad-4928-abef-abcbf05dd867/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c[546,559] [2021-11-23 01:43:35,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:43:35,848 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:43:35,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:35 WrapperNode [2021-11-23 01:43:35,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:43:35,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:43:35,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:43:35,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:43:35,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:35" (1/1) ... [2021-11-23 01:43:35,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:35" (1/1) ... [2021-11-23 01:43:35,898 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2021-11-23 01:43:35,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:43:35,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:43:35,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:43:35,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:43:35,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:35" (1/1) ... [2021-11-23 01:43:35,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:35" (1/1) ... [2021-11-23 01:43:35,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:35" (1/1) ... [2021-11-23 01:43:35,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:35" (1/1) ... [2021-11-23 01:43:35,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:35" (1/1) ... [2021-11-23 01:43:35,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:35" (1/1) ... [2021-11-23 01:43:35,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:35" (1/1) ... [2021-11-23 01:43:35,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:43:35,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:43:35,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:43:35,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:43:35,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:35" (1/1) ... [2021-11-23 01:43:35,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:43:35,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bbcd82-12ad-4928-abef-abcbf05dd867/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:43:35,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bbcd82-12ad-4928-abef-abcbf05dd867/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:43:36,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bbcd82-12ad-4928-abef-abcbf05dd867/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:43:36,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:43:36,052 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:43:36,052 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:43:36,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:43:36,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:43:36,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:43:36,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:43:36,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:43:36,128 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:43:36,130 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:43:36,305 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:43:36,327 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:43:36,328 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:43:36,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:43:36 BoogieIcfgContainer [2021-11-23 01:43:36,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:43:36,332 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:43:36,347 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:43:36,360 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:43:36,360 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:43:36" (1/1) ... [2021-11-23 01:43:36,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:43:36,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:36,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2021-11-23 01:43:36,493 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2021-11-23 01:43:36,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:43:36,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:36,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:36,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:36,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:36,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-23 01:43:36,717 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-23 01:43:36,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:43:36,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:36,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:36,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:43:36,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:37,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:37,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:37,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 33 transitions. [2021-11-23 01:43:37,304 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2021-11-23 01:43:37,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:43:37,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:37,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:37,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:43:37,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:37,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:38,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:38,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 36 transitions. [2021-11-23 01:43:38,054 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2021-11-23 01:43:38,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:38,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:38,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:38,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:38,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:38,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:38,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:38,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:38,924 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:38,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:38,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:38,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:38,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:38,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:39,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:39,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:39,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:39,095 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:39,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:39,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:39,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:39,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:39,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:39,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:39,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:39,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:39,283 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:39,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:39,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:39,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:39,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:39,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:39,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:39,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:39,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:39,457 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:39,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:39,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:39,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:39,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:39,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:39,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:39,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:39,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:39,605 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:39,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:39,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:39,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:39,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:39,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:39,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:39,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:39,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:39,754 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:39,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:39,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:39,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:39,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:39,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:39,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:40,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:40,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:40,003 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:40,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:40,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:40,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:40,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:40,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:40,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:40,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:40,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:40,369 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:40,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:40,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:40,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:40,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:40,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:40,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:40,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:40,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:40,521 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:40,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:40,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:40,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:40,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:40,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:40,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:40,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:40,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:40,716 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:40,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:40,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:40,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:40,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:40,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:40,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:40,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:40,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:40,857 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:40,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:40,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:40,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:40,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:40,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:41,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:41,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:41,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:41,017 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:41,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:41,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:41,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:41,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:41,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:41,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:41,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:41,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:41,162 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:41,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:41,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:41,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:41,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:41,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:41,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:41,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:41,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:41,321 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:41,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:41,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:41,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:41,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:41,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:41,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:41,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:41,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:41,504 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:41,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:41,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:41,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:41,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:41,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:41,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:41,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:41,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:41,776 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:41,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:41,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:41,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:41,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:41,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:41,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:41,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:41,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:41,932 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:41,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:41,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:41,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:41,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:41,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:42,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:42,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:42,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:42,099 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:42,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:42,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:42,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:42,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:42,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:42,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:42,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:42,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:42,270 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:42,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:42,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:42,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:42,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:42,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:42,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:42,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:42,442 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:42,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:42,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:42,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:42,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:42,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:42,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:42,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:42,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:42,710 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:42,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:42,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:42,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:42,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:42,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:42,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:42,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:42,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:42,869 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:42,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:42,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:42,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:42,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:42,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:43,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:43,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:43,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:43,019 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:43,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:43,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:43,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:43,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:43,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:43,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:43,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:43,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:43,176 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:43,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:43,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:43,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:43,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:43,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:43,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:43,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:43,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:43,320 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:43,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:43,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:43,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:43,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:43,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:43,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:43,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:43,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:43,464 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:43,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:43,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:43,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:43,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:43,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:43,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:43,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:43,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:43,638 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:43,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:43,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:43,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:43,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:43,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:43,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:43,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:43,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:43,787 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:43,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:43,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:43,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:43,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:43,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:43,950 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:43,956 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:43,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:43,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:43,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:43,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:43,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:44,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:44,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:44,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:44,105 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:44,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:44,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:44,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:44,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:44,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:44,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:44,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:44,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:44,239 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:44,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:44,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:44,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:44,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:44,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:44,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:44,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:44,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:44,367 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:44,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:44,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:44,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:44,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:44,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:44,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:44,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:44,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:44,509 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:44,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:44,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:44,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:44,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:44,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:44,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:44,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:44,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:44,648 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:44,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:44,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:44,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:44,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:44,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:44,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:44,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:44,838 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:44,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:44,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:44,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:44,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:44,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:45,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:45,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:45,023 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:45,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:45,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:45,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:45,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:45,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:45,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:45,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:45,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:45,191 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:45,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:45,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:45,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:45,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:45,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:45,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:45,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:45,332 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:45,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:45,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:45,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:45,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:45,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:45,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:45,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:45,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:45,514 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:45,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:45,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:45,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:45,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:45,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:45,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:45,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:45,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:45,844 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:45,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:45,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:45,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:45,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:45,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:45,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:45,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:45,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:45,975 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:45,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:45,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:45,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:45,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:45,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:46,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:46,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:46,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:46,108 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:46,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:46,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:46,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:46,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:46,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:46,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:46,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:46,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:46,231 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:46,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:46,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:46,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:46,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:46,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:46,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:46,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:46,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:46,367 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:46,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:46,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:46,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:46,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:46,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:46,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:46,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:46,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:46,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:46,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:46,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:46,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:46,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:46,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:46,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:46,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:46,648 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:46,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:46,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:46,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:46,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:46,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:46,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:46,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:46,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:46,781 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:46,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:46,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:46,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:46,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:46,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:46,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:46,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:46,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:46,944 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:46,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:46,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:46,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:46,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:46,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:47,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:47,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:47,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:47,135 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:47,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:47,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:47,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:47,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:47,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:47,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:47,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:47,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:47,272 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:47,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:47,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:47,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:47,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:47,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:47,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:47,412 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:47,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:47,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:47,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:47,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:47,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:47,550 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:47,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:47,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:47,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:47,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:47,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:47,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:47,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:47,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:47,706 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:47,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:47,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:47,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:47,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:47,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:47,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:47,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:47,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:47,843 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:47,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:47,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:47,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:47,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:47,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:47,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:47,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:47,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:47,977 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:47,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:47,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:47,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:47,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:47,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:48,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:48,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:48,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:48,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:48,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:48,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:48,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:48,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:48,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:48,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:48,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:48,258 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:48,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:48,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:48,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:48,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:48,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:48,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:48,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:48,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:48,413 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:48,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:48,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:48,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:48,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:48,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:48,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:48,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:48,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:48,553 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:48,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:48,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:48,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:48,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:48,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:48,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:48,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:48,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:48,691 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:48,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:48,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:48,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:48,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:48,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:48,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:48,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:48,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:48,855 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:48,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:48,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:48,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:48,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:48,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:48,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:48,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:48,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:48,991 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:48,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:48,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:48,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:49,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:49,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:49,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:49,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:49,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:49,129 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:49,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:49,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:49,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:49,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:49,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:49,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:49,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:49,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:49,261 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:49,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:49,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:49,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:49,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:49,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:49,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:49,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:49,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:49,387 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:49,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:49,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:49,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:49,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:49,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:49,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:49,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:49,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:49,515 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:49,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:49,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:49,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:49,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:49,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:49,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:49,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:49,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:49,655 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:49,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:49,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:49,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:49,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:49,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:49,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:49,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:49,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:49,776 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:49,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:49,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:49,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:49,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:49,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:49,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:49,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:49,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:49,957 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:49,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:49,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:49,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:49,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:49,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:50,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:50,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:50,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:50,113 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:50,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:50,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:50,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:50,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:50,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:50,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:50,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:50,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:50,245 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:50,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:50,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:50,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:50,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:50,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:50,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:50,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:50,373 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:50,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:50,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:50,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:50,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:50,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:50,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:50,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:50,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:50,498 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:50,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:50,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:50,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:50,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:50,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:50,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:50,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:50,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:50,626 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:50,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:50,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:50,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:50,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:50,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:50,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:50,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:50,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:50,778 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:50,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:50,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:50,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:50,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:50,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:50,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:50,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:50,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:50,897 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:50,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:50,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:50,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:50,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:50,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:51,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:51,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:51,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:51,018 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:51,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:51,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:51,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:51,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:51,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:51,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:51,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:51,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:51,145 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:51,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:51,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:51,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:51,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:51,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:51,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:51,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:51,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:51,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:51,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:51,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:51,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:51,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:51,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:51,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:51,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:51,407 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:51,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:51,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:51,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:51,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:51,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:51,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:51,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:51,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:51,533 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:51,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:51,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:51,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:51,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:51,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:51,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:51,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:51,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:51,663 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:51,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:51,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:51,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:51,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:51,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:51,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:51,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:51,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:51,925 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:51,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:51,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:51,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:51,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:51,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:52,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:52,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:52,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:52,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:52,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:52,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:52,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:52,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:52,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:52,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:52,271 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:52,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:52,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:52,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:52,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:52,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:52,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:52,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:52,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:52,431 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:52,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:52,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:52,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:52,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:52,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:52,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:52,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:52,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:52,541 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:52,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:52,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:52,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:52,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:52,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:52,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:52,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:52,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:52,682 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:52,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:52,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:52,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:52,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:52,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:52,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:52,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:52,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:52,809 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:52,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:52,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:52,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:52,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:52,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:52,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:52,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:52,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:52,948 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:52,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:52,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:52,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:52,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:52,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:53,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:53,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:53,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:53,068 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:53,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:53,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:53,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:53,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:53,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:53,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:53,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:53,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:53,213 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:53,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:53,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:53,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:53,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:53,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:53,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:53,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:53,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:53,348 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:53,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:53,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:53,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:53,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:53,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:53,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:53,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:53,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:53,470 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:53,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:53,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:53,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:53,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:53,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:53,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:53,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:53,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:53,605 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:53,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:53,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:53,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:53,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:53,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:53,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:53,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:53,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:53,733 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:53,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:53,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:53,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:53,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:53,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:53,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:53,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:53,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:53,871 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:53,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:53,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:53,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:53,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:53,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:53,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:53,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:53,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:53,996 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:53,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:53,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:53,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:54,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:54,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:54,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:54,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:54,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:54,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:54,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:54,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:54,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:54,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:54,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:54,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:54,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:54,243 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:54,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:54,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:54,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:54,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:54,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:54,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:54,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:54,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:54,361 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:54,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:54,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:54,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:54,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:54,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:54,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:54,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:54,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:54,503 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:54,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:54,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:54,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:54,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:54,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:54,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:54,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:54,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:54,628 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:54,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:54,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:54,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:54,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:54,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:54,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:54,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:54,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:54,755 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:54,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:54,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:54,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:54,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:54,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:54,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:54,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:54,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:54,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:54,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:54,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:54,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:54,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:54,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:54,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:54,976 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:54,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:54,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:54,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:54,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:54,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:55,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:55,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:55,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:55,106 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:55,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:55,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:55,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:55,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:55,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:55,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:55,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:55,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:55,253 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:55,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:55,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:55,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:55,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:55,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:55,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:55,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:55,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:55,406 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:55,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:55,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:55,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:55,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:55,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:55,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:55,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:55,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:55,534 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:55,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:55,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:55,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:55,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:55,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:55,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:55,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:55,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:55,670 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:55,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:55,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:55,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:55,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:55,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:55,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:55,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:55,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:55,791 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:55,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:55,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:55,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:55,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:55,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:55,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:55,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:55,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:55,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:55,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:55,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:55,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:55,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:56,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:56,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:56,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:56,050 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:56,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:56,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:56,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:56,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:56,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:56,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:56,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:56,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:56,151 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:56,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:56,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:56,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:56,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:56,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:56,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:56,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:56,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:56,286 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:56,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:56,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:56,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:56,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:56,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:56,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:56,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:56,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:56,408 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:56,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:56,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:56,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:56,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:56,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:56,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:56,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:56,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:56,586 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:56,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:56,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:56,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:56,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:56,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:56,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:56,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:56,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:56,706 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:56,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:56,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:56,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:56,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:56,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:56,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:56,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:56,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:56,834 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:56,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:56,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:56,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:56,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:56,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:56,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:56,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:56,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:56,963 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:56,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:56,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:56,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:56,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:56,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:57,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:57,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:57,095 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:57,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:57,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:57,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:57,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:57,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:57,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:57,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:57,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:57,216 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:57,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:57,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:57,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:57,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:57,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:57,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:57,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:57,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:57,346 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:57,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:57,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:57,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:57,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:57,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:57,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:57,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:57,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:57,468 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:57,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:57,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:57,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:57,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:57,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:57,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:57,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:57,623 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:57,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:57,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:57,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:57,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:57,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:57,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:57,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:57,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:57,741 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:57,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:57,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:57,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:57,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:57,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:57,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:57,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:57,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:57,855 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:57,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:57,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:57,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:57,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:57,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:57,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:57,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:57,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:57,986 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:57,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:57,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:57,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:58,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:58,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:58,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:58,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:58,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:58,130 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:58,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:58,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:58,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:58,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:58,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:58,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:58,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:58,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:58,251 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:58,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:58,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:58,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:58,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:58,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:58,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:58,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:58,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:58,384 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:58,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:58,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:58,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:58,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:58,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:58,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:58,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:58,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:58,539 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:58,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:58,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:58,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:58,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:58,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:58,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:58,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:58,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:58,661 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:58,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:58,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:58,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:58,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:58,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:58,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:58,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:58,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:58,821 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:58,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:58,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:58,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:58,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:58,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:58,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:58,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:58,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:58,969 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:58,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:58,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:58,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:58,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:58,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:59,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:59,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:59,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:59,124 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:59,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:59,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:59,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:59,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:59,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:59,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:59,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:59,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:59,290 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:59,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:59,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:59,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:59,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:59,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:59,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:59,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:59,444 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:59,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:59,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:59,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:59,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:59,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:59,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:59,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:59,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:59,584 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:59,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:59,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:59,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:59,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:59,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:59,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:59,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:59,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:59,746 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:59,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:59,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:59,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:59,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:59,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:59,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:59,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:59,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:59,874 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:59,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:59,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:59,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:59,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:43:59,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:59,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:59,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:59,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:43:59,997 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:43:59,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:59,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:59,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:00,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:00,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:00,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:00,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:00,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:00,179 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:00,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:00,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:00,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:00,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:00,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:00,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:00,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:00,328 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:00,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:00,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:00,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:00,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:00,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:00,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:00,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:00,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:00,541 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:00,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:00,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:00,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:00,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:00,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:00,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:00,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:00,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:00,768 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:00,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:00,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:00,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:00,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:00,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:00,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:00,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:00,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:00,939 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:00,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:00,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:00,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:00,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:00,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:01,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:01,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:01,095 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:01,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:01,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:01,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:01,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:01,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:01,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:01,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:01,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:01,223 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:01,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:01,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:01,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:01,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:01,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:01,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:01,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:01,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:01,379 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:01,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:01,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:01,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:01,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:01,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:01,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:01,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:01,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:01,521 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:01,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:01,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:01,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:01,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:01,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:01,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:01,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:01,646 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:01,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:01,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:01,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:01,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:01,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:01,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:01,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:01,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:01,798 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:01,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:01,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:01,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:01,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:01,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:01,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:01,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:01,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:01,935 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:01,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:01,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:01,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:01,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:01,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:02,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:02,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:02,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:02,079 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:02,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:02,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:02,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:02,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:02,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:02,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:02,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:02,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:02,224 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:02,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:02,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:02,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:02,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:02,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:02,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:02,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:02,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:02,380 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:02,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:02,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:02,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:02,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:02,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:02,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:02,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:02,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:02,539 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:02,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:02,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:02,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:02,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:02,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:02,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:02,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:02,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:02,702 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:02,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:02,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:02,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:02,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:02,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:02,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:02,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:02,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:02,913 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:02,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:02,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:02,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:02,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:02,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:03,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:03,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:03,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:03,071 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:03,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:03,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:03,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:03,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:03,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:03,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:03,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:03,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:03,231 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:03,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:03,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:03,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:03,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:03,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:03,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:03,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:03,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:03,446 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:03,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:03,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:03,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:03,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:03,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:03,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:03,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:03,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:03,672 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:03,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:03,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:03,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:03,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:03,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:03,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:03,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:03,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:03,864 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:03,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:03,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:03,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:03,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:03,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:04,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:04,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:04,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:04,127 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:04,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:04,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:04,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:04,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:04,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:04,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:04,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:04,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:04,269 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:04,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:04,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:04,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:04,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:04,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:04,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:04,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:04,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:04,405 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:04,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:04,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:04,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:04,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:04,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:04,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:04,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:04,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:04,699 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:04,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:04,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:04,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:04,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:04,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:04,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:04,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:04,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:04,918 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:04,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:04,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:04,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:04,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:04,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:05,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:05,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:05,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:05,111 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:05,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:05,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:05,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:05,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:05,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:05,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:05,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:05,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:05,281 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:05,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:05,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:05,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:05,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:05,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:05,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:05,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:05,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:05,425 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:05,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:05,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:05,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:05,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:05,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:05,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:05,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:05,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:05,613 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:05,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:05,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:05,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:05,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:05,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:05,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:05,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:05,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:05,772 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:05,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:05,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:05,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:05,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:05,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:05,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:05,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:05,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:05,968 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:05,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:05,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:05,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:05,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:05,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:06,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:06,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:06,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:06,178 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:06,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:06,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:06,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:06,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:06,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:06,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:06,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:06,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:06,385 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:06,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:06,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:06,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:06,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:06,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:06,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:06,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:06,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:06,599 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:06,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:06,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:06,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:06,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:06,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:06,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:06,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:06,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:06,796 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:06,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:06,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:06,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:06,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:06,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:06,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:06,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:06,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:06,948 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:06,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:06,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:06,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:06,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:06,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:07,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:07,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:07,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:07,091 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:07,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:07,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:07,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:07,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:07,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:07,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:07,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:07,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:07,248 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:07,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:07,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:07,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:07,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:07,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:07,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:07,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:07,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:07,351 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:07,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:07,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:07,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:07,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:07,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:07,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:07,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:07,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:07,473 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:07,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:07,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:07,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:07,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:07,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:07,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:07,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:07,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:07,600 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:07,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:07,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:07,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:07,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:07,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:07,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:07,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:07,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:07,754 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:07,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:07,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:07,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:07,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:07,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:07,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:07,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:07,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:07,921 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:07,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:07,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:07,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:07,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:07,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:08,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:08,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:08,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:08,089 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:08,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:08,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:08,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:08,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:08,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:08,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:08,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:08,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:08,265 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:08,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:08,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:08,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:08,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:08,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:08,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:08,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:08,432 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:08,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:08,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:08,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:08,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:08,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:08,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:08,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:08,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:08,568 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:08,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:08,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:08,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:08,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:08,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:08,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:08,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:08,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:08,703 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:08,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:08,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:08,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:08,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:08,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:08,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:08,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:08,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:08,846 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:08,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:08,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:08,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:08,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:08,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:08,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:08,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:08,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:08,991 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:08,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:08,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:08,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:09,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:09,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:09,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:09,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:09,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:09,139 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:09,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:09,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:09,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:09,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:09,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:09,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:09,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:09,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:09,258 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:09,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:09,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:09,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:09,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:09,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:09,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:09,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:09,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:09,397 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:09,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:09,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:09,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:09,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:09,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:09,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:09,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:09,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:09,571 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:09,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:09,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:09,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:09,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:09,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:09,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:09,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:09,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:09,718 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:09,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:09,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:09,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:09,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:09,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:10,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:10,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:10,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:10,500 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:10,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:10,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:10,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:10,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:10,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:10,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:10,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:10,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:10,638 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:10,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:10,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:10,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:10,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:10,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:10,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:10,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:10,755 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:10,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:10,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:10,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:10,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:10,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:10,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:10,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:10,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:10,997 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:10,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:10,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:10,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:11,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:11,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:11,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:11,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:11,119 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:11,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:11,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:11,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:11,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:11,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:11,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:11,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:11,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:11,237 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:11,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:11,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:11,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:11,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:11,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:11,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:11,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:11,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:11,401 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:11,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:11,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:11,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:11,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:11,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:11,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:11,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:11,520 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:11,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:11,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:11,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:11,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:11,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:11,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:11,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:11,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:11,693 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:11,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:11,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:11,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:11,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:11,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:11,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:11,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:11,819 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:11,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:11,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:11,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:11,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:11,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:11,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:11,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:11,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:11,934 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:11,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:11,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:11,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:11,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:11,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:12,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:12,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:12,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:12,116 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:12,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:12,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:12,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:12,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:12,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:12,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:12,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:12,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:12,285 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:12,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:12,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:12,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:12,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:12,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:12,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:12,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:12,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:12,418 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:12,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:12,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:12,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:12,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:12,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:12,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:12,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:12,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:12,559 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:12,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:12,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:12,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:12,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:12,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:12,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:12,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:12,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:12,696 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:12,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:12,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:12,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:12,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:12,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:12,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:12,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:12,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:12,817 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:12,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:12,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:12,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:12,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:12,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:12,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:12,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:12,976 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:12,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:12,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:12,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:12,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:12,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:13,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:13,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:13,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:13,130 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:13,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:13,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:13,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:13,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:13,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:13,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:13,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:13,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:13,297 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:13,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:13,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:13,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:13,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:13,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:13,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:13,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:13,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:13,426 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:13,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:13,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:13,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:13,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:13,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:13,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:13,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:13,566 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:13,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:13,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:13,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:13,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:13,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:13,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:13,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:13,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:13,720 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:13,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:13,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:13,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:13,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:13,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:13,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:13,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:13,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:13,883 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:13,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:13,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:13,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:13,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:13,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:14,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:14,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:14,091 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:14,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:14,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:14,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:14,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:14,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:14,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:14,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:14,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:14,243 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:14,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:14,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:14,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:14,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:14,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:14,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:14,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:14,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:14,389 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:14,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:14,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:14,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:14,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:14,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:14,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:14,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:14,642 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:14,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:14,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:14,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:14,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:14,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:14,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:14,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:14,770 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:14,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:14,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:14,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:14,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:14,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:14,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:14,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:14,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:14,950 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:14,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:14,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:14,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:14,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:14,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:15,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:15,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:15,127 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:15,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:15,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:15,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:15,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:15,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:15,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:15,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:15,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:15,297 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:15,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:15,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:15,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:15,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:15,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:15,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:15,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:15,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:15,452 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:15,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:15,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:15,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:15,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:15,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:15,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:15,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:15,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:15,612 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:15,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:15,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:15,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:15,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:15,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:15,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:15,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:15,791 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:15,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:15,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:15,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:15,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:15,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:15,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:15,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:15,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:15,955 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:15,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:15,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:15,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:15,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:15,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:16,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:16,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:16,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:16,091 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:16,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:16,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:16,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:16,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:16,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:16,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:16,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:16,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:16,250 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:16,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:16,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:16,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:16,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:16,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:16,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:16,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:16,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:16,413 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:16,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:16,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:16,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:16,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:16,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:16,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:16,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:16,557 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:16,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:16,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:16,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:16,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:16,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:16,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:16,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:16,894 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:16,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:16,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:16,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:16,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:16,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:17,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:17,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:17,021 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:17,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:17,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:17,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:17,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:17,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:17,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:17,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:17,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:17,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:17,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:17,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:17,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:17,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:17,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:17,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:17,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:17,315 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:17,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:17,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:17,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:17,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:17,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:17,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:17,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:17,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:17,460 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:17,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:17,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:17,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:17,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:17,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:17,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:17,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:17,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:17,580 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:17,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:17,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:17,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:17,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:17,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:17,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:17,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:17,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:17,722 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:17,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:17,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:17,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:17,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:17,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:17,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:17,861 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:17,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:17,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:17,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:17,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:17,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:17,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:17,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:17,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:17,988 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:17,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:17,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:17,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:18,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:18,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:18,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:18,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:18,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:18,105 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:18,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:18,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:18,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:18,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:18,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:18,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:18,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:18,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:18,233 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:18,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:18,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:18,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:18,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:18,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:18,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:18,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:18,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:18,403 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:18,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:18,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:18,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:18,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:18,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:18,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:18,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:18,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:18,604 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:18,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:18,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:18,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:18,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:18,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:18,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:18,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:18,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:18,767 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:18,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:18,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:18,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:18,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:18,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:18,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:18,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:18,957 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:18,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:18,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:18,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:18,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:18,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:19,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:19,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:19,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:19,100 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:19,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:19,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:19,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:19,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:19,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:19,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:19,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:19,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:19,220 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:19,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:19,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:19,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:19,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:19,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:19,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:19,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:19,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:19,364 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:19,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:19,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:19,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:19,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:19,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:19,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:19,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:19,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:19,540 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:19,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:19,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:19,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:19,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:19,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:19,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:19,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:19,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:19,672 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:19,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:19,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:19,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:19,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:19,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:19,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:19,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:19,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:19,841 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:19,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:19,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:19,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:19,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:19,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:19,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:20,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:20,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:20,001 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:20,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:20,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:20,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:20,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:20,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:20,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:20,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:20,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:20,164 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:20,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:20,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:20,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:20,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:20,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:20,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:20,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:20,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:20,297 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:20,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:20,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:20,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:20,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:20,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:20,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:20,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:20,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:20,467 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:20,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:20,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:20,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:20,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:20,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:20,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:20,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:20,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:20,671 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:20,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:20,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:20,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:20,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:20,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:20,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:20,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:20,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:20,844 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:20,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:20,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:20,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:20,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:20,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:21,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:21,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:21,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:21,038 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:21,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:21,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:21,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:21,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:21,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:21,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:21,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:21,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:21,189 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:21,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:21,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:21,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:21,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:21,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:21,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:21,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:21,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:21,341 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:21,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:21,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:21,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:21,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:21,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:21,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:21,458 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:21,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:21,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:21,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:21,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:21,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:21,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:21,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:21,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:21,607 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:21,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:21,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:21,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:21,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:21,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:21,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:21,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:21,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:21,784 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:21,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:21,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:21,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:21,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:21,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:21,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:21,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:21,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:21,974 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:21,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:21,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:21,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:21,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:21,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:22,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:22,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:22,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:22,259 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:22,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:22,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:22,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:22,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:22,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:22,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:22,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:22,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:22,424 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:22,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:22,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:22,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:22,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:22,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:22,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:22,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:22,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:22,606 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:22,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:22,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:22,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:22,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:22,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:22,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:22,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:22,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:22,800 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:22,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:22,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:22,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:22,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:22,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:22,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:22,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:22,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:22,968 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:22,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:22,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:22,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:22,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:22,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:23,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:23,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:23,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:23,109 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:23,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:23,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:23,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:23,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:23,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:23,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:23,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:23,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:23,276 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:23,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:23,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:23,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:23,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:23,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:23,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:23,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:23,416 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:23,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:23,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:23,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:23,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:23,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:23,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:23,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:23,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:23,562 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:23,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:23,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:23,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:23,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:23,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:23,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:23,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:23,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:23,695 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:23,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:23,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:23,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:23,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:23,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:23,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:23,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:23,822 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:23,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:23,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:23,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:23,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:23,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:24,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:24,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:24,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:24,181 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:24,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:24,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:24,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:24,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:24,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:24,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:24,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:24,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:24,300 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:24,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:24,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:24,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:24,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:24,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:24,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:24,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:24,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:24,427 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:24,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:24,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:24,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:24,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:24,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:24,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:24,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:24,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:24,554 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:24,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:24,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:24,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:24,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:24,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:24,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:24,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:24,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:24,737 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:24,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:24,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:24,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:24,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:24,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:24,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:24,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:24,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:24,888 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:24,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:24,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:24,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:24,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:24,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:25,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:25,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:25,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:25,073 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:25,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:25,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:25,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:25,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:25,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:25,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:25,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:25,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:25,235 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:25,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:25,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:25,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:25,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:25,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:25,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:25,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:25,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:25,390 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:25,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:25,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:25,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:25,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:25,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:25,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:25,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:25,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:25,561 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:25,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:25,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:25,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:25,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:25,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:25,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:25,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:25,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:25,732 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:25,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:25,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:25,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:25,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:25,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:25,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:25,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:25,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:25,884 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:25,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:25,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:25,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:25,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:25,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:26,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:26,051 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:26,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:26,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:26,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:26,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:26,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:26,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:26,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:26,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:26,185 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:26,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:26,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:26,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:26,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:26,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:26,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:26,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:26,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:26,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:26,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:26,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:26,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:26,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:26,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:26,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:26,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:26,463 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:26,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:26,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:26,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:26,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:26,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:26,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:26,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:26,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:26,579 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:26,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:26,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:26,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:26,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:26,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:26,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:26,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:26,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:26,711 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:26,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:26,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:26,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:26,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:26,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:26,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:26,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:26,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:26,876 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:26,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:26,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:26,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:26,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:26,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:27,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:27,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:27,030 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:27,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:27,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:27,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:27,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:27,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:27,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:27,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:27,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:27,174 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:27,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:27,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:27,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:27,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:27,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:27,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:27,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:27,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:27,318 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:27,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:27,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:27,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:27,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:27,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:27,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:27,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:27,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:27,463 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:27,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:27,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:27,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:27,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:27,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:27,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:27,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:27,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:27,600 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:27,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:27,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:27,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:27,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:27,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:27,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:27,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:27,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:27,768 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:27,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:27,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:27,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:27,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:27,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:27,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:27,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:27,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:27,922 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:27,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:27,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:27,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:27,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:27,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:28,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:28,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:28,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:28,073 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:28,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:28,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:28,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:28,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:28,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:28,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:28,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:28,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:28,221 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:28,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:28,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:28,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:28,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:28,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:28,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:28,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:28,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:28,430 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:28,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:28,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:28,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:28,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:28,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:28,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:28,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:28,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:28,613 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:28,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:28,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:28,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:28,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:28,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:28,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:28,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:28,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:28,772 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:28,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:28,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:28,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:28,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:28,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:28,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:28,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:28,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:28,938 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:28,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:28,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:28,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:28,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:28,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:29,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:29,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:29,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:29,118 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:29,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:29,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:29,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:29,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:29,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:29,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:29,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:29,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:29,262 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:29,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:29,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:29,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:29,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:29,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:29,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:29,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:29,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:29,433 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:29,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:29,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:29,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:29,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:29,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:29,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:29,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:29,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:29,580 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:29,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:29,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:29,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:29,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:29,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:29,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:29,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:29,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:29,750 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:29,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:29,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:29,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:29,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:29,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:29,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:29,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:29,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:29,907 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:29,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:29,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:29,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:29,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:29,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:30,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:30,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:30,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:30,066 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:30,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:30,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:30,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:30,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:30,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:30,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:30,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:30,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:30,283 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:30,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:30,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:30,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:30,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:30,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:30,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:30,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:30,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:30,555 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:30,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:30,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:30,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:30,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:30,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:30,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:30,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:30,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:30,888 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:30,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:30,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:30,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:30,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:30,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:31,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:31,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:31,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:31,042 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:31,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:31,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:31,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:31,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:31,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:31,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:31,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:31,224 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:31,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:31,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:31,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:31,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:31,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:31,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:31,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:31,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:31,394 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:31,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:31,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:31,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:31,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:31,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:31,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:31,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:31,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:31,547 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:31,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:31,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:31,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:31,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:31,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:31,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:31,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:31,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:31,698 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:31,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:31,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:31,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:31,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:31,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:31,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:31,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:31,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:31,855 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:31,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:31,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:31,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:31,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:31,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:32,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:32,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:32,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:32,028 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:32,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:32,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:32,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:32,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:32,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:32,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:32,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:32,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:32,284 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:32,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:32,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:32,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:32,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:32,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:32,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:32,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:32,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:32,456 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:32,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:32,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:32,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:32,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:32,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:32,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:32,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:32,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:32,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:32,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:32,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:32,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:32,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:32,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:32,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:32,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:32,827 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:32,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:32,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:32,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:32,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:32,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:33,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:33,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:33,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:33,059 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:33,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:33,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:33,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:33,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:33,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:33,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:33,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:33,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:33,272 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:33,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:33,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:33,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:33,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:33,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:33,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:33,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:33,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:33,478 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:33,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:33,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:33,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:33,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:33,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:33,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:33,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:33,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:33,642 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:33,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:33,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:33,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:33,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:33,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:33,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:33,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:33,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:33,798 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:33,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:33,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:33,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:33,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:33,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:33,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:33,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:33,958 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:33,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:33,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:33,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:33,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:33,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:34,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:34,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:34,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:34,255 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:34,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:34,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:34,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:34,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:34,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:34,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:34,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:34,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:34,453 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:34,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:34,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:34,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:34,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:34,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:34,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:34,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:34,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:34,631 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:34,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:34,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:34,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:34,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:34,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:34,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:34,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:34,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:34,811 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:34,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:34,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:34,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:34,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:34,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:34,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:34,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:34,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:34,970 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:34,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:34,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:34,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:34,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:34,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:35,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:35,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:35,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:35,123 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:35,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:35,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:35,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:35,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:35,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:35,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:35,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:35,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:35,312 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:35,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:35,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:35,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:35,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:35,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:35,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:35,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:35,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:35,490 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:35,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:35,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:35,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:35,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:35,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:35,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:35,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:35,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:35,657 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:35,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:35,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:35,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:35,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:35,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:35,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:35,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:35,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:35,850 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:35,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:35,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:35,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:35,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:35,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:36,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:36,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:36,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:36,069 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:36,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:36,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:36,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:36,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:36,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:36,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:36,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:36,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:36,302 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:36,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:36,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:36,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:36,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:36,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:36,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:36,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:36,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:36,538 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:36,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:36,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:36,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:36,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:36,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:36,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:36,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:36,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:36,765 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:36,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:36,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:36,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:36,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:36,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:36,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:36,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:36,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:36,951 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:36,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:36,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:36,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:36,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:36,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:37,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:37,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:37,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:37,145 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:37,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:37,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:37,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:37,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:37,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:37,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:37,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:37,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:37,374 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:37,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:37,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:37,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:37,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:37,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:37,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:37,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:37,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:37,526 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:37,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:37,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:37,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:37,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:37,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:37,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:37,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:37,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:37,682 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:37,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:37,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:37,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:37,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:37,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:37,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:37,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:37,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:37,862 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:37,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:37,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:37,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:37,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:37,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:38,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:38,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:38,025 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:38,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:38,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:38,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:38,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:38,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:38,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:38,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:38,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:38,344 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:38,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:38,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:38,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:38,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:38,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:38,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:38,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:38,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:38,574 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:38,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:38,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:38,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:38,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:38,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:38,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:38,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:38,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:38,804 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:38,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:38,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:38,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:38,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:38,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:39,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:39,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:39,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:39,038 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:39,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:39,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:39,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:39,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:39,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:39,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:39,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:39,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:39,197 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:39,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:39,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:39,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:39,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:39,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:39,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:39,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:39,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:39,331 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:39,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:39,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:39,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:39,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:39,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:39,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:39,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:39,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:39,475 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:39,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:39,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:39,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:39,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:39,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:39,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:39,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:39,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:39,787 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:39,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:39,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:39,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:39,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:39,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:39,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:39,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:39,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:39,970 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:39,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:39,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:39,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:39,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:39,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:40,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:40,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:40,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:40,204 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:40,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:40,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:40,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:40,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:40,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:40,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:40,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:40,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:40,383 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:40,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:40,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:40,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:40,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:40,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:40,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:40,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:40,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:40,591 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:40,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:40,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:40,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:40,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:40,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:40,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:40,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:40,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:40,752 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:40,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:40,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:40,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:40,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:40,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:40,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:40,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:40,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:40,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:40,931 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:40,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:40,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:40,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:40,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:40,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:41,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:41,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:41,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:41,135 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:41,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:41,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:41,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:41,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:41,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:41,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:41,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:41,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:41,330 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:41,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:41,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:41,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:41,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:41,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:41,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:41,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:41,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:41,484 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:41,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:41,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:41,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:41,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:41,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:41,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:41,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:41,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:41,669 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:41,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:41,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:41,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:41,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:41,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:41,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:41,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:41,812 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:41,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:41,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:41,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:41,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:41,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:41,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:41,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:41,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:41,981 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:41,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:41,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:41,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:41,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:41,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:42,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:42,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:42,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:42,157 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:42,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:42,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:42,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:42,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:42,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:42,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:42,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:42,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:42,316 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:42,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:42,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:42,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:42,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:42,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:42,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:42,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:42,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:42,488 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:42,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:42,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:42,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:42,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:42,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:42,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:42,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:42,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:42,655 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:42,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:42,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:42,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:42,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:42,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:42,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:42,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:42,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:42,821 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:42,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:42,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:42,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:42,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:42,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:43,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:43,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:43,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:43,045 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:43,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:43,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:43,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:43,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:43,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:43,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:43,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:43,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:43,205 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:43,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:43,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:43,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:43,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:43,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:43,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:43,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:43,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:43,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:43,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:43,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:43,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:43,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:43,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:43,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:43,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:43,561 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:43,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:43,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:43,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:43,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:43,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:43,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:43,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:43,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:43,750 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:43,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:43,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:43,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:43,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:43,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:43,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:43,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:43,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:43,921 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:43,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:43,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:43,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:43,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:43,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:44,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:44,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:44,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:44,105 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:44,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:44,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:44,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:44,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:44,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:44,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:44,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:44,268 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:44,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:44,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:44,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:44,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:44,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:44,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:44,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:44,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:44,441 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:44,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:44,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:44,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:44,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:44,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:44,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:44,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:44,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:44,633 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:44,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:44,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:44,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:44,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:44,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:44,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:44,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:44,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:44,803 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:44,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:44,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:44,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:44,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:44,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:44,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:44,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:44,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:44,971 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:44,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:44,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:44,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:44,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:44,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:45,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:45,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:45,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:45,168 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:45,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:45,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:45,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:45,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:45,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:45,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:45,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:45,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:45,367 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:45,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:45,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:45,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:45,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:45,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:45,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:45,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:45,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:45,614 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:45,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:45,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:45,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:45,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:45,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:45,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:45,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:45,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:45,820 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:45,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:45,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:45,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:45,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:45,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:46,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:46,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:46,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:46,024 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:46,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:46,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:46,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:46,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:46,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:46,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:46,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:46,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:46,212 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:46,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:46,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:46,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:46,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:46,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:46,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:46,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:46,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:46,403 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:46,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:46,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:46,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:46,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:46,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:46,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:46,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:46,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:46,608 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:46,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:46,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:46,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:46,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:46,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:46,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:46,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:46,795 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:46,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:46,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:46,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:46,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:46,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:47,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:47,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:47,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:47,065 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:47,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:47,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:47,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:47,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:47,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:47,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:47,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:47,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:47,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:47,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:47,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:47,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:47,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:47,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:47,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:47,487 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:47,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:47,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:47,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:47,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:47,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:47,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:47,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:47,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:47,673 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:47,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:47,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:47,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:47,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:47,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:47,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:47,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:47,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:47,850 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:47,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:47,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:47,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:47,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:47,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:48,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:48,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:48,011 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:48,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:48,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:48,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:48,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:48,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:48,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:48,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:48,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:48,182 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:48,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:48,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:48,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:48,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:48,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:48,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:48,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:48,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:48,350 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:48,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:48,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:48,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:48,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:48,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:48,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:48,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:48,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:48,525 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:48,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:48,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:48,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:48,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:48,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:48,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:48,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:48,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:48,750 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:48,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:48,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:48,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:48,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:48,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:48,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:48,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:48,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:48,950 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:48,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:48,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:48,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:48,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:48,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:49,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:49,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:49,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:49,116 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:49,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:49,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:49,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:49,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:49,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:49,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:49,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:49,282 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:49,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:49,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:49,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:49,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:49,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:49,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:49,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:49,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:49,469 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:49,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:49,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:49,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:49,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:49,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:49,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:49,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:49,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:49,704 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:49,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:49,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:49,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:49,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:49,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:49,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:49,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:49,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:49,880 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:49,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:49,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:49,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:49,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:49,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:50,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:50,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:50,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:50,032 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:50,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:50,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:50,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:50,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:50,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:50,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:50,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:50,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:50,226 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:50,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:50,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:50,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:50,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:50,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:50,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:50,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:50,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:50,405 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:50,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:50,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:50,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:50,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:50,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:50,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:50,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:50,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:50,577 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:50,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:50,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:50,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:50,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:50,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:50,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:50,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:50,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:50,735 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:50,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:50,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:50,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:50,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:50,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:50,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:50,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:50,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:50,965 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:50,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:50,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:50,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:50,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:50,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:51,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:51,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:51,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:51,116 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:51,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:51,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:51,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:51,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:51,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:51,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:51,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:51,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:51,276 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:51,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:51,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:51,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:51,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:51,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:51,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:51,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:51,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:51,451 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:51,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:51,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:51,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:51,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:51,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:51,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:51,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:51,618 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:51,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:51,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:51,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:51,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:51,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:51,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:51,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:51,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:51,799 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:51,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:51,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:51,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:51,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:51,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:51,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:51,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:51,979 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:51,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:51,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:51,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:51,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:51,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:52,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:52,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:52,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:52,143 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:52,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:52,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:52,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:52,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:52,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:52,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:52,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:52,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:52,309 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:52,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:52,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:52,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:52,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:52,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:52,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:52,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:52,510 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:52,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:52,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:52,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:52,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:52,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:52,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:52,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:52,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:52,686 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:52,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:52,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:52,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:52,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:52,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:52,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:52,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:52,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:52,864 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:52,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:52,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:52,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:52,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:52,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:53,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:53,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:53,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:53,048 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:53,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:53,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:53,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:53,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:53,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:53,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:53,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:53,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:53,236 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:53,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:53,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:53,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:53,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:53,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:53,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:53,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:53,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:53,413 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:53,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:53,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:53,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:53,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:53,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:53,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:53,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:53,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:53,594 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:53,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:53,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:53,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:53,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:53,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:53,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:53,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:53,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:53,770 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:53,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:53,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:53,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:53,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:53,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:53,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:53,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:53,931 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:53,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:53,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:53,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:53,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:53,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:54,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:54,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:54,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:54,119 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:54,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:54,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:54,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:54,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:54,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:54,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:54,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:54,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:54,309 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:54,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:54,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:54,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:54,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:54,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:54,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:54,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:54,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:54,512 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:54,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:54,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:54,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:54,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:54,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:54,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:54,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:54,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:54,701 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:54,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:54,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:54,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:54,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:54,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:54,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:54,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:54,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:54,878 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:54,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:54,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:54,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:54,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:54,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:55,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:55,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:55,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:55,058 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:55,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:55,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:55,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:55,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:55,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:55,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:55,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:55,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:55,244 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:55,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:55,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:55,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:55,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:55,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:55,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:55,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:55,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:55,433 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:55,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:55,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:55,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:55,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:55,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:55,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:55,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:55,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:55,608 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:55,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:55,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:55,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:55,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:55,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:55,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:55,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:55,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:55,804 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:55,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:55,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:55,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:55,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:55,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:55,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:55,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:55,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:55,962 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:55,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:55,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:55,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:55,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:55,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:56,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:56,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:56,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:56,146 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:56,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:56,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:56,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:56,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:56,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:56,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:56,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:56,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:56,318 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:56,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:56,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:56,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:56,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:56,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:56,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:56,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:56,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:56,502 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:56,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:56,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:56,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:56,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:56,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:56,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:56,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:56,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:56,670 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:56,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:56,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:56,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:56,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:56,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:56,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:56,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:56,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:56,922 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:56,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:56,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:56,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:56,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:56,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:57,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:57,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:57,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:57,078 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:57,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:57,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:57,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:57,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:57,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:57,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:57,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:57,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:57,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:57,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:57,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:57,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:57,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:57,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:57,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:57,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:57,563 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:57,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:57,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:57,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:57,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:57,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:57,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:57,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:57,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:57,747 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:57,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:57,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:57,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:57,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:57,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:57,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:57,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:57,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:57,915 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:57,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:57,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:57,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:57,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:57,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:58,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:58,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:58,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:58,126 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:58,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:58,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:58,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:58,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:58,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:58,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:58,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:58,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:58,295 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:58,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:58,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:58,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:58,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:58,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:58,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:58,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:58,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:58,525 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:58,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:58,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:58,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:58,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:58,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:58,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:58,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:58,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:58,702 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:58,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:58,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:58,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:58,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:58,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:58,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:58,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:58,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:58,918 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:58,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:58,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:58,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:58,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:58,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:59,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:59,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:59,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:59,108 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:59,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:59,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:59,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:59,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:59,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:59,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:59,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:59,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:59,276 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:59,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:59,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:59,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:59,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:59,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:59,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:59,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:59,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:59,464 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:59,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:59,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:59,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:59,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:59,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:59,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:59,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:59,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:59,670 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:59,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:59,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:59,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:59,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:59,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:59,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:59,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:59,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:44:59,857 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:44:59,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:44:59,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:59,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:59,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:44:59,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:00,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:00,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:00,057 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:00,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:00,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:00,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:00,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:00,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:00,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:00,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:00,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:00,295 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:00,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:00,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:00,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:00,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:00,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:00,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:00,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:00,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:00,477 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:00,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:00,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:00,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:00,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:00,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:00,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:00,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:00,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:00,665 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:00,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:00,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:00,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:00,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:00,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:00,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:00,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:00,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:00,855 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:00,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:00,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:00,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:00,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:00,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:01,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:01,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:01,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:01,062 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:01,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:01,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:01,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:01,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:01,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:01,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:01,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:01,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:01,305 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:01,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:01,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:01,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:01,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:01,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:01,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:01,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:01,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:01,494 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:01,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:01,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:01,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:01,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:01,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:01,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:01,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:01,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:01,709 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:01,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:01,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:01,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:01,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:01,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:01,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:01,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:01,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:01,941 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:01,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:01,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:01,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:01,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:01,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:02,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:02,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:02,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:02,155 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:02,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:02,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:02,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:02,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:02,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:02,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:02,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:02,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:02,341 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:02,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:02,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:02,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:02,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:02,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:02,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:02,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:02,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:02,536 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:02,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:02,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:02,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:02,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:02,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:02,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:02,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:02,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:02,701 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:02,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:02,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:02,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:02,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:02,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:02,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:02,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:02,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:02,940 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:02,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:02,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:02,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:02,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:02,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:03,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:03,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:03,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:03,108 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:03,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:03,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:03,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:03,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:03,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:03,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:03,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:03,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:03,282 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:03,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:03,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:03,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:03,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:03,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:03,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:03,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:03,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:03,472 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:03,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:03,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:03,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:03,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:03,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:03,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:03,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:03,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:03,650 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:03,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:03,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:03,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:03,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:03,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:03,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:03,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:03,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:03,824 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:03,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:03,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:03,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:03,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:03,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:03,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:04,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:04,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:04,008 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:04,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:04,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:04,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:04,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:04,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:04,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:04,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:04,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:04,265 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:04,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:04,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:04,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:04,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:04,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:04,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:04,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:04,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:04,487 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:04,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:04,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:04,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:04,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:04,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:04,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:04,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:04,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:04,688 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:04,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:04,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:04,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:04,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:04,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:04,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:04,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:04,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:04,857 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:04,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:04,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:04,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:04,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:04,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:05,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:05,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:05,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:05,278 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:05,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:05,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:05,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:05,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:05,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:05,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:05,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:05,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:05,476 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:05,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:05,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:05,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:05,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:05,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:05,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:05,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:05,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:05,652 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:05,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:05,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:05,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:05,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:05,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:05,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:05,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:05,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:05,858 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:05,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:05,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:05,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:05,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:05,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:06,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:06,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:06,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:06,059 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:06,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:06,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:06,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:06,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:06,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:06,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:06,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:06,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:06,247 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:06,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:06,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:06,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:06,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:06,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:06,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:06,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:06,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:06,450 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:06,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:06,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:06,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:06,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:06,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:06,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:06,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:06,640 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:06,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:06,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:06,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:06,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:06,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:06,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:06,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:06,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:06,819 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:06,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:06,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:06,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:06,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:06,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:07,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:07,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:07,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:07,021 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:07,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:07,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:07,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:07,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:07,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:07,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:07,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:07,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:07,235 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:07,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:07,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:07,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:07,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:07,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:07,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:07,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:07,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:07,445 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:07,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:07,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:07,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:07,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:07,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:07,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:07,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:07,665 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:07,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:07,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:07,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:07,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:07,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:07,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:07,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:07,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:07,877 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:07,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:07,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:07,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:07,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:07,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:08,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:08,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:08,060 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:08,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:08,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:08,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:08,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:08,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:08,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:08,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:08,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:08,248 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:08,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:08,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:08,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:08,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:08,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:08,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:08,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:08,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:08,431 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:08,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:08,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:08,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:08,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:08,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:08,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:08,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:08,597 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:08,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:08,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:08,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:08,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:08,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:08,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:08,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:08,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:08,774 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:08,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:08,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:08,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:08,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:08,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:08,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:08,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:08,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:08,953 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:08,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:08,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:08,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:08,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:08,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:09,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:09,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:09,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:09,149 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:09,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:09,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:09,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:09,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:09,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:09,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:09,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:09,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:09,397 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:09,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:09,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:09,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:09,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:09,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:09,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:09,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:09,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:09,567 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:09,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:09,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:09,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:09,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:09,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:09,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:09,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:09,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:09,753 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:09,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:09,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:09,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:09,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:09,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:09,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:09,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:09,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:09,975 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:09,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:09,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:09,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:09,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:09,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:10,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:10,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:10,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:10,190 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:10,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:10,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:10,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:10,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:10,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:10,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:10,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:10,410 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:10,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:10,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:10,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:10,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:10,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:10,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:10,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:10,582 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:10,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:10,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:10,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:10,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:10,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:10,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:10,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:10,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:10,772 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:10,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:10,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:10,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:10,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:10,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:10,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:10,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:10,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:10,979 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:10,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:10,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:10,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:10,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:10,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:11,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:11,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:11,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:11,228 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:11,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:11,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:11,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:11,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:11,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:11,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:11,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:11,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:11,411 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:11,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:11,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:11,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:11,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:11,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:11,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:11,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:11,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:11,671 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:11,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:11,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:11,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:11,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:11,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:11,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:11,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:11,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:11,860 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:11,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:11,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:11,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:11,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:11,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:12,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:12,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:12,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:12,078 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:12,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:12,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:12,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:12,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:12,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:12,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:12,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:12,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:12,319 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:12,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:12,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:12,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:12,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:12,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:12,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:12,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:12,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:12,525 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:12,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:12,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:12,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:12,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:12,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:12,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:12,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:12,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:12,740 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:12,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:12,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:12,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:12,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:12,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:12,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:12,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:12,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:12,928 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:12,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:12,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:12,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:12,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:12,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:13,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:13,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:13,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:13,114 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:13,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:13,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:13,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:13,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:13,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:13,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:13,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:13,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:13,386 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:13,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:13,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:13,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:13,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:13,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:13,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:13,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:13,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:13,692 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:13,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:13,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:13,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:13,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:13,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:13,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:13,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:13,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:13,911 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:13,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:13,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:13,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:13,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:13,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:14,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:14,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:14,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:14,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:14,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:14,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:14,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:14,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:14,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:14,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:14,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:14,345 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:14,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:14,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:14,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:14,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:14,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:14,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:14,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:14,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:14,605 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:14,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:14,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:14,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:14,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:14,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:14,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:14,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:14,813 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:14,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:14,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:14,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:14,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:14,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:15,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:15,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:15,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:15,034 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:15,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:15,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:15,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:15,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:15,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:15,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:15,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:15,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:15,240 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:15,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:15,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:15,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:15,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:15,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:15,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:15,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:15,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:15,479 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:15,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:15,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:15,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:15,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:15,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:15,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:15,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:15,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:15,703 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:15,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:15,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:15,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:15,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:15,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:15,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:15,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:15,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:15,963 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:15,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:15,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:15,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:15,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:15,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:16,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:16,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:16,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:16,190 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:16,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:16,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:16,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:16,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:16,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:16,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:16,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:16,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:16,561 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:16,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:16,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:16,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:16,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:16,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:16,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:16,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:16,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:16,765 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:16,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:16,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:16,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:16,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:16,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:16,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:16,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:16,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:16,994 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:16,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:16,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:16,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:17,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:17,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:17,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:17,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:17,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:17,207 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:17,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:17,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:17,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:17,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:17,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:17,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:17,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:17,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:17,447 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:17,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:17,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:17,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:17,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:17,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:17,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:17,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:17,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:17,655 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:17,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:17,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:17,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:17,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:17,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:17,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:17,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:17,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:17,862 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:17,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:17,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:17,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:17,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:17,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:18,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:18,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:18,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:18,073 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:18,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:18,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:18,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:18,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:18,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:18,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:18,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:18,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:18,285 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:18,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:18,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:18,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:18,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:18,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:18,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:18,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:18,511 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:18,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:18,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:18,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:18,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:18,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:18,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:18,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:18,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:18,724 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:18,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:18,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:18,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:18,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:18,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:18,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:18,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:18,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:18,907 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:18,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:18,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:18,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:18,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:18,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:19,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:19,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:19,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:19,099 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:19,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:19,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:19,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:19,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:19,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:19,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:19,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:19,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:19,416 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:19,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:19,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:19,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:19,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:19,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:19,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:19,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:19,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:19,610 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:19,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:19,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:19,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:19,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:19,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:19,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:19,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:19,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:19,801 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:19,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:19,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:19,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:19,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:19,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:19,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:20,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:20,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:20,008 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:20,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:20,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:20,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:20,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:20,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:20,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:20,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:20,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:20,216 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:20,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:20,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:20,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:20,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:20,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:20,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:20,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:20,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:20,436 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:20,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:20,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:20,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:20,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:20,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:20,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:20,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:20,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:20,628 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:20,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:20,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:20,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:20,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:20,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:20,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:20,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:20,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:20,876 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:20,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:20,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:20,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:20,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:20,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:21,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:21,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:21,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:21,076 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:21,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:21,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:21,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:21,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:21,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:21,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:21,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:21,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:21,279 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:21,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:21,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:21,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:21,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:21,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:21,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:21,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:21,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:21,490 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:21,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:21,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:21,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:21,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:21,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:21,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:21,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:21,717 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:21,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:21,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:21,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:21,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:21,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:21,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:21,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:21,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:21,935 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:21,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:21,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:21,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:21,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:21,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:22,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:22,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:22,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:22,191 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:22,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:22,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:22,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:22,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:22,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:22,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:22,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:22,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:22,385 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:22,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:22,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:22,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:22,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:22,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:22,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:22,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:22,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:22,670 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:22,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:22,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:22,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:22,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:22,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:22,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:22,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:22,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:22,917 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:22,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:22,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:22,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:22,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:22,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:23,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:23,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:23,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:23,169 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:23,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:23,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:23,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:23,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:23,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:23,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:23,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:23,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:23,376 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:23,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:23,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:23,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:23,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:23,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:23,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:23,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:23,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:23,599 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:23,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:23,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:23,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:23,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:23,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:23,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:23,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:23,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:23,823 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:23,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:23,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:23,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:23,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:23,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:24,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:24,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:24,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:24,042 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:24,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:24,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:24,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:24,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:24,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:24,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:24,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:24,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:24,250 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:24,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:24,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:24,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:24,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:24,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:24,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:24,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:24,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:24,468 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:24,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:24,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:24,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:24,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:24,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:24,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:24,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:24,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:24,684 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:24,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:24,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:24,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:24,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:24,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:24,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:24,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:24,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:24,888 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:24,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:24,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:24,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:24,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:24,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:25,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:25,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:25,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:25,100 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:25,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:25,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:25,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:25,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:25,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:25,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:25,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:25,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:25,305 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:25,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:25,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:25,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:25,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:25,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:25,507 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:25,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:25,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:25,516 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:25,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:25,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:25,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:25,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:25,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:25,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:25,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:25,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:25,716 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:25,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:25,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:25,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:25,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:25,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:25,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:25,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:25,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:25,937 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:25,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:25,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:25,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:25,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:25,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:26,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:26,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:26,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:26,142 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:26,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:26,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:26,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:26,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:26,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:26,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:26,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:26,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:26,351 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:26,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:26,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:26,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:26,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:26,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:26,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:26,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:26,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:26,555 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:26,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:26,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:26,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:26,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:26,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:26,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:26,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:26,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:26,749 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:26,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:26,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:26,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:26,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:26,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:26,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:26,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:26,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:26,944 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:26,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:26,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:26,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:26,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:26,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:27,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:27,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:27,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:27,151 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:27,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:27,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:27,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:27,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:27,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:27,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:27,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:27,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:27,385 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:27,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:27,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:27,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:27,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:27,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:27,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:27,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:27,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:27,594 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:27,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:27,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:27,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:27,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:27,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:27,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:27,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:27,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:27,832 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:27,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:27,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:27,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:27,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:27,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:28,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:28,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:28,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:28,046 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:28,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:28,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:28,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:28,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:28,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:28,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:28,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:28,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:28,284 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:28,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:28,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:28,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:28,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:28,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:28,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:28,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:28,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:28,509 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:28,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:28,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:28,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:28,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:28,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:28,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:28,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:28,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:28,733 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:28,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:28,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:28,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:28,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:28,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:28,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:28,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:28,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:28,968 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:28,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:28,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:28,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:28,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:28,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:29,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:29,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:29,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:29,197 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:29,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:29,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:29,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:29,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:29,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:29,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:29,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:29,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:29,409 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:29,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:29,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:29,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:29,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:29,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:29,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:29,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:29,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:29,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:29,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:29,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:29,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:29,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:29,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:29,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:29,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:29,857 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:29,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:29,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:29,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:29,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:29,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:30,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:30,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:30,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:30,072 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:30,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:30,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:30,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:30,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:30,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:30,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:30,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:30,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:30,341 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:30,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:30,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:30,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:30,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:30,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:30,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:30,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:30,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:30,592 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:30,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:30,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:30,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:30,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:30,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:30,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:30,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:30,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:30,790 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:30,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:30,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:30,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:30,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:30,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:31,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:31,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:31,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:31,016 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:31,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:31,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:31,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:31,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:31,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:31,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:31,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:31,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:31,247 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:31,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:31,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:31,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:31,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:31,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:31,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:31,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:31,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:31,478 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:31,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:31,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:31,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:31,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:31,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:31,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:31,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:31,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:31,721 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:31,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:31,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:31,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:31,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:31,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:31,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:31,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:31,929 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:31,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:31,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:31,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:31,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:31,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:32,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:32,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:32,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:32,143 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:32,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:32,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:32,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:32,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:32,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:32,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:32,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:32,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:32,343 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:32,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:32,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:32,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:32,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:32,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:32,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:32,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:32,547 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:32,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:32,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:32,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:32,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:32,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:32,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:32,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:32,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:32,769 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:32,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:32,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:32,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:32,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:32,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:33,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:33,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:33,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:33,051 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:33,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:33,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:33,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:33,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:33,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:33,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:33,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:33,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:33,303 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:33,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:33,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:33,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:33,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:33,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:33,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:33,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:33,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:33,529 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:33,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:33,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:33,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:33,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:33,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:33,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:33,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:33,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:33,745 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:33,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:33,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:33,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:33,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:33,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:33,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:33,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:33,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:33,964 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:33,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:33,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:33,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:33,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:33,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:34,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:34,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:34,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:34,180 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:34,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:34,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:34,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:34,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:34,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:34,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:34,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:34,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:34,415 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:34,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:34,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:34,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:34,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:34,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:34,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:34,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:34,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:34,634 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:34,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:34,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:34,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:34,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:34,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:34,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:34,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:34,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:34,864 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:34,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:34,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:34,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:34,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:34,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:35,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:35,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:35,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:35,108 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:35,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:35,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:35,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:35,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:35,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:35,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:35,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:35,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:35,354 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:35,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:35,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:35,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:35,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:35,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:35,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:35,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:35,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:35,570 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:35,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:35,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:35,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:35,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:35,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:35,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:35,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:35,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:35,812 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:35,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:35,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:35,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:35,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:35,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:36,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:36,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:36,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:36,051 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:36,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:36,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:36,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:36,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:36,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:36,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:36,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:36,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:36,274 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:36,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:36,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:36,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:36,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:36,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:36,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:36,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:36,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:36,493 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:36,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:36,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:36,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:36,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:36,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:36,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:36,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:36,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:36,762 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:36,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:36,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:36,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:36,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:36,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:36,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:36,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:36,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:36,989 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:36,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:36,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:36,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:37,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:37,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:37,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:37,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:37,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:37,217 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:37,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:37,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:37,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:37,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:37,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:37,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:37,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:37,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:37,484 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:37,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:37,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:37,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:37,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:37,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:37,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:37,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:37,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:37,709 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:37,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:37,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:37,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:37,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:37,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:37,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:37,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:37,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:37,958 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:37,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:37,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:37,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:37,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:37,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:38,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:38,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:38,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:38,195 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:38,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:38,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:38,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:38,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:38,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:38,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:38,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:38,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:38,416 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:38,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:38,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:38,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:38,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:38,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:38,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:38,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:38,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:38,645 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:38,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:38,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:38,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:38,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:38,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:38,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:38,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:38,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:38,866 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:38,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:38,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:38,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:38,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:38,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:39,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:39,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:39,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:39,119 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:39,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:39,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:39,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:39,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:39,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:39,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:39,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:39,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:39,366 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:39,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:39,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:39,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:39,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:39,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:39,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:39,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:39,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:39,624 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:39,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:39,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:39,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:39,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:39,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:39,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:39,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:39,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:39,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:39,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:39,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:40,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:40,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:40,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:40,139 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:40,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:40,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:40,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:40,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:40,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:40,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:40,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:40,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:40,376 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:40,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:40,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:40,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:40,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:40,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:40,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:40,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:40,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:40,613 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:40,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:40,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:40,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:40,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:40,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:40,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:40,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:40,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:40,828 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:40,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:40,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:40,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:40,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:40,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:41,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:41,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:41,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:41,047 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:41,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:41,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:41,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:41,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:41,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:41,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:41,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:41,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:41,268 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:41,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:41,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:41,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:41,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:41,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:41,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:41,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:41,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:41,513 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:41,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:41,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:41,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:41,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:41,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:41,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:41,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:41,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:41,757 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:41,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:41,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:41,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:41,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:41,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:42,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:42,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:42,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:42,022 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:42,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:42,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:42,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:42,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:42,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:42,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:42,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:42,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:42,261 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:42,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:42,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:42,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:42,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:42,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:42,507 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:42,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:42,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:42,519 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:42,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:42,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:42,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:42,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:42,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:42,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:42,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:42,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:42,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:42,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:42,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:42,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:42,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:43,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:43,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:43,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:43,795 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:43,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:43,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:43,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:43,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:43,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:44,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:44,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:44,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:44,047 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:44,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:44,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:44,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:44,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:44,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:44,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:44,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:44,337 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:44,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:44,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:44,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:44,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:44,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:44,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:44,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:44,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:44,617 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:44,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:44,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:44,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:44,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:44,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:44,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:44,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:44,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:44,907 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:44,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:44,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:44,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:44,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:44,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:45,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:45,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:45,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:45,171 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:45,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:45,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:45,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:45,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:45,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:45,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:45,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:45,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:45,398 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:45,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:45,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:45,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:45,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:45,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:45,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:45,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:45,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:45,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:45,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:45,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:45,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:45,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:45,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:45,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:45,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:45,920 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:45,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:45,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:45,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:45,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:45,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:46,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:46,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:46,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:46,205 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:46,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:46,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:46,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:46,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:46,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:46,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:46,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:46,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:46,429 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:46,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:46,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:46,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:46,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:46,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:46,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:46,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:46,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:46,667 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:46,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:46,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:46,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:46,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:46,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:46,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:46,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:46,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:46,904 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:46,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:46,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:46,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:46,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:46,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:47,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:47,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:47,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:47,128 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:47,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:47,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:47,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:47,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:47,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:47,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:47,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:47,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:47,374 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:47,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:47,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:47,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:47,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:47,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:47,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:47,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:47,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:47,639 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:47,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:47,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:47,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:47,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:47,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:47,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:47,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:47,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:47,884 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:47,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:47,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:47,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:47,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:47,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:48,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:48,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:48,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:48,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:48,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:48,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:48,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:48,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:48,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:48,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:48,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:48,370 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:48,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:48,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:48,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:48,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:48,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:48,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:48,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:48,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:48,612 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:48,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:48,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:48,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:48,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:48,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:48,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:48,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:48,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:48,859 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:48,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:48,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:48,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:48,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:48,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:49,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:49,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:49,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:49,100 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:49,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:49,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:49,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:49,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:49,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:49,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:49,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:49,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:49,375 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:49,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:49,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:49,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:49,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:49,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:49,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:49,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:49,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:49,616 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:49,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:49,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:49,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:49,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:49,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:49,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:49,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:49,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:49,896 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:49,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:49,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:49,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:49,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:49,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:50,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:50,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:50,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:50,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:50,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:50,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:50,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:50,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:50,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:50,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:50,379 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:50,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:50,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:50,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:50,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:50,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:50,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:50,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:50,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:50,644 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:50,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:50,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:50,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:50,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:50,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:51,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:51,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:51,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:51,086 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:51,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:51,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:51,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:51,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:51,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:51,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:51,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:51,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:51,362 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:51,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:51,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:51,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:51,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:51,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:51,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:51,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:51,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:51,634 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:51,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:51,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:51,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:51,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:51,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:51,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:51,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:51,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:51,897 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:51,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:51,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:51,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:51,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:51,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:52,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:52,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:52,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:52,162 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:52,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:52,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:52,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:52,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:52,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:52,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:52,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:52,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:52,443 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:52,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:52,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:52,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:52,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:52,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:52,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:52,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:52,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:52,733 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:52,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:52,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:52,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:52,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:52,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:53,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:53,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:53,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:53,044 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:53,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:53,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:53,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:53,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:53,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:53,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:53,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:53,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:53,286 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:53,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:53,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:53,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:53,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:53,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:53,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:53,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:53,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:53,558 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:53,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:53,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:53,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:53,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:53,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:53,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:53,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:53,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:53,872 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:53,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:53,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:53,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:53,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:53,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:54,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:54,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:54,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:54,149 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:54,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:54,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:54,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:54,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:54,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:54,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:54,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:54,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:54,443 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:54,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:54,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:54,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:54,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:54,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:54,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:54,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:54,749 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:54,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:54,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:54,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:54,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:54,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:55,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:55,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:55,088 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:55,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:55,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:55,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:55,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:55,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:55,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:55,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:55,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:55,378 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:55,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:55,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:55,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:55,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:55,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:55,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:55,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:55,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:55,667 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:55,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:55,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:55,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:55,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:55,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:55,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:55,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:55,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:55,959 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:55,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:55,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:55,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:55,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:55,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:56,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:56,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:56,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:56,252 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:56,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:56,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:56,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:56,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:56,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:56,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:56,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:56,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:56,551 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:56,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:56,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:56,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:56,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:56,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:56,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:56,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:56,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:56,855 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:56,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:56,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:56,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:56,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:56,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:57,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:57,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:57,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:57,177 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:57,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:57,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:57,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:57,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:57,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:57,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:57,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:57,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:57,476 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:57,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:57,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:57,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:57,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:57,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:57,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:57,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:57,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:57,846 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:57,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:57,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:57,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:57,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:57,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:58,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:58,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:58,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:58,187 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:58,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:58,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:58,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:58,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:58,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:58,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:58,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:58,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:58,471 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:58,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:58,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:58,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:58,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:58,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:58,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:58,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:58,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:58,788 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:58,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:58,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:58,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:58,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:58,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:59,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:59,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:59,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:59,110 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:59,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:59,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:59,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:59,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:59,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:59,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:59,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:59,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:59,411 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:59,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:59,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:59,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:59,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:59,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:59,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:59,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:45:59,720 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:45:59,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:59,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:59,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:59,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:45:59,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:59,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:00,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:00,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:00,009 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:00,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:00,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:00,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:00,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:00,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:00,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:00,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:00,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:00,308 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:00,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:00,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:00,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:00,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:00,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:00,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:00,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:00,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:00,605 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:00,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:00,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:00,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:00,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:00,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:00,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:00,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:00,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:00,904 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:00,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:00,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:00,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:00,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:00,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:01,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:01,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:01,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:01,227 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:01,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:01,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:01,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:01,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:01,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:01,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:01,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:01,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:01,566 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:01,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:01,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:01,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:01,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:01,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:01,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:01,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:01,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:01,870 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:01,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:01,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:01,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:01,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:01,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:02,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:02,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:02,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:02,178 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:02,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:02,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:02,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:02,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:02,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:02,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:02,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:02,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:02,470 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:02,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:02,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:02,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:02,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:02,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:02,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:02,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:02,795 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:02,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:02,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:02,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:02,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:02,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:03,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:03,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:03,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:03,230 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:03,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:03,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:03,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:03,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:03,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:03,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:03,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:03,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:03,552 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:03,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:03,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:03,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:03,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:03,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:03,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:03,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:03,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:03,854 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:03,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:03,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:03,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:03,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:04,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:04,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:04,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:04,149 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:04,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:04,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:04,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:04,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:04,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:04,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:04,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:04,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:04,440 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:04,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:04,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:04,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:04,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:04,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:04,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:04,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:04,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:04,750 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:04,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:04,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:04,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:04,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:04,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:05,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:05,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:05,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:05,035 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:05,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:05,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:05,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:05,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:05,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:05,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:05,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:05,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:05,335 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:05,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:05,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:05,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:05,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:05,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:05,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:05,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:05,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:05,659 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:05,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:05,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:05,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:05,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:05,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:05,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:05,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:05,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:05,966 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:05,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:05,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:05,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:05,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:05,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:06,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:06,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:06,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:06,280 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:06,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:06,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:06,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:06,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:06,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:06,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:06,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:06,588 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:06,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:06,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:06,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:06,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:06,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:06,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:06,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:06,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:06,944 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:06,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:06,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:06,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:06,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:06,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:07,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:07,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:07,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:07,287 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:07,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:07,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:07,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:07,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:07,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:07,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:07,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:07,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:07,557 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:07,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:07,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:07,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:07,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:07,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:07,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:07,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:07,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:07,853 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:07,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:07,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:07,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:07,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:07,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:08,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:08,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:08,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:08,130 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:08,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:08,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:08,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:08,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:08,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:08,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:08,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:08,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:08,410 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:08,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:08,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:08,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:08,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:08,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:08,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:08,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:08,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:08,699 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:08,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:08,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:08,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:08,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:08,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:08,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:08,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:08,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:08,988 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:08,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:08,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:08,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:09,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:09,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:09,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:09,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:09,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:09,261 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:09,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:09,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:09,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:09,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:09,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:09,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:09,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:09,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:09,512 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:09,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:09,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:09,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:09,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:09,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:09,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:09,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:09,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:09,779 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:09,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:09,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:09,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:09,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:09,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:10,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:10,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:10,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:10,050 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:10,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:10,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:10,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:10,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:10,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:10,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:10,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:10,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:10,312 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:10,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:10,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:10,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:10,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:10,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:10,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:10,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:10,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:10,595 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:10,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:10,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:10,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:10,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:10,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:10,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:10,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:10,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:10,869 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:10,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:10,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:10,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:10,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:10,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:11,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:11,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:11,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:11,143 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:11,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:11,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:11,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:11,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:11,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:11,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:11,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:11,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:11,436 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:11,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:11,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:11,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:11,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:11,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:11,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:11,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:11,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:11,725 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:11,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:11,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:11,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:11,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:11,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:11,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:11,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:11,989 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:11,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:11,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:11,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:12,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:12,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:12,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:12,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:12,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:12,274 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:12,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:12,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:12,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:12,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:12,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:12,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:12,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:12,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:12,570 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:12,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:12,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:12,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:12,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:12,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:12,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:12,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:12,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:12,868 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:12,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:12,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:12,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:12,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:12,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:13,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:13,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:13,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:13,144 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:13,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:13,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:13,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:13,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:13,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:13,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:13,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:13,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:13,440 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:13,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:13,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:13,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:13,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:13,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:13,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:13,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:13,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:13,770 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:13,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:13,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:13,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:13,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:13,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:14,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:14,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:14,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:14,074 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:14,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:14,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:14,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:14,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:14,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:14,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:14,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:14,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:14,417 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:14,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:14,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:14,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:14,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:14,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:14,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:14,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:14,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:14,727 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:14,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:14,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:14,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:14,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:14,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:14,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:14,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:14,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:14,996 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:14,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:14,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:14,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:15,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:15,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:15,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:15,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:15,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:15,282 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:15,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:15,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:15,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:15,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:15,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:15,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:15,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:15,605 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:15,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:15,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:15,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:15,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:15,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:15,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:15,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:15,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:15,945 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:15,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:15,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:15,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:15,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:15,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:16,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:16,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:16,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:16,252 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:16,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:16,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:16,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:16,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:16,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:16,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:16,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:16,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:16,555 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:16,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:16,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:16,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:16,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:46:16,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:16,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:16,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:46:16,867 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:46:16,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:46:16,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:16,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:16,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2021-11-23 01:48:59,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:59,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:48:59,455 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:48:59,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:48:59,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:59,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:59,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:48:59,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:59,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:48:59,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:59,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:48:59,830 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:48:59,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:48:59,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:59,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:59,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:48:59,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:00,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:00,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:00,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:00,216 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:00,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:00,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:00,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:00,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:00,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:00,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:00,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:00,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:00,566 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:00,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:00,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:00,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:00,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:00,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:00,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:00,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:00,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:00,984 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:00,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:00,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:00,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:00,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:01,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:01,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:01,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:01,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:01,343 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:01,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:01,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:01,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:01,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:01,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:01,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:01,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:01,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:01,724 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:01,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:01,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:01,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:01,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:01,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:02,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:02,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:02,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:02,118 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:02,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:02,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:02,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:02,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:02,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:02,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:02,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:02,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:02,558 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:02,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:02,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:02,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:02,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:02,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:02,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:02,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:02,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:02,973 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:02,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:02,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:02,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:02,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:02,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:03,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:03,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:03,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:03,359 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:03,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:03,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:03,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:03,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:03,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:03,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:03,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:03,739 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:03,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:03,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:03,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:03,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:03,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:04,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:04,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:04,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:04,165 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:04,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:04,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:04,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:04,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:04,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:04,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:04,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:04,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:04,588 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:04,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:04,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:04,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:04,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:04,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:04,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:04,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:04,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:04,995 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:04,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:04,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:04,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:05,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:05,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:05,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:05,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:05,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:05,389 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:05,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:05,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:05,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:05,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:05,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:05,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:05,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:05,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:05,781 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:05,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:05,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:05,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:05,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:05,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:06,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:06,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:06,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:06,147 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:06,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:06,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:06,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:06,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:06,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:06,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:06,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:06,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:06,495 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:06,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:06,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:06,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:06,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:06,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:06,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:06,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:06,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:06,872 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:06,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:06,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:06,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:06,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:06,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:07,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:07,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:07,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:07,244 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:07,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:07,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:07,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:07,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:07,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:07,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:07,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:07,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:07,617 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:07,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:07,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:07,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:07,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:07,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:07,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:07,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:07,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:07,982 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:07,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:07,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:07,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:07,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:07,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:08,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:08,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:08,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:08,367 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:08,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:08,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:08,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:08,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:08,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:08,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:08,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:08,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:08,710 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:08,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:08,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:08,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:08,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:08,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:09,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:09,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:09,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:09,092 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:09,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:09,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:09,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:09,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:09,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:09,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:09,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:09,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:09,509 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:09,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:09,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:09,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:09,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:09,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:09,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:09,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:09,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:09,902 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:09,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:09,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:09,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:09,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:09,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:10,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:10,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:10,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:10,292 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:10,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:10,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:10,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:10,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:10,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:10,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:10,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:10,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:10,668 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:10,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:10,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:10,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:10,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:10,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:11,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:11,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:11,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:11,062 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:11,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:11,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:11,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:11,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:11,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:11,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:11,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:11,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:11,459 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:11,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:11,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:11,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:11,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:11,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:11,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:11,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:11,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:11,981 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:11,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:11,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:11,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:11,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:11,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:12,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:12,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:12,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:12,402 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:12,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:12,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:12,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:12,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:12,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:12,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:12,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:12,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:12,821 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:12,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:12,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:12,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:12,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:12,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:13,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:13,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:13,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:13,268 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:13,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:13,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:13,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:13,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:13,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:13,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:13,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:13,712 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:13,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:13,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:13,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:13,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:13,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:14,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:14,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:14,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:14,202 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:14,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:14,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:14,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:14,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:14,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:14,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:14,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:14,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:14,674 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:14,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:14,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:14,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:14,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:14,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:15,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:15,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:15,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:15,142 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:15,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:15,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:15,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:15,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:15,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:15,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:15,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:15,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:15,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:15,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:15,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:15,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:15,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:16,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:16,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:16,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:16,189 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:16,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:16,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:16,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:16,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:16,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:16,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:16,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:16,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:16,636 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:16,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:16,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:16,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:16,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:16,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:17,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:17,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:17,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:17,106 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:17,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:17,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:17,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:17,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:17,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:17,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:17,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:17,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:17,549 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:17,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:17,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:17,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:17,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:17,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:17,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:18,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:18,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:18,003 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:18,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:18,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:18,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:18,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:18,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:18,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:18,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:18,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:18,520 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:18,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:18,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:18,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:18,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:18,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:18,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:18,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:18,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:18,999 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:18,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:18,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:18,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:19,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:19,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:19,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:19,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:19,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:19,416 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:19,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:19,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:19,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:19,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:19,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:19,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:19,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:19,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:19,811 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:19,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:19,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:19,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:19,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:19,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:20,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:20,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:20,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:20,208 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:20,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:20,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:20,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:20,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:20,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:20,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:20,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:20,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:20,592 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:20,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:20,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:20,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:20,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:20,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:20,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:20,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:20,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:20,966 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:20,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:20,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:20,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:20,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:20,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:21,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:21,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:21,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:21,398 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:21,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:21,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:21,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:21,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:21,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:21,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:21,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:21,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:21,806 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:21,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:21,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:21,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:21,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:21,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:22,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:22,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:22,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:22,185 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:22,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:22,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:22,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:22,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:22,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:22,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:22,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:22,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:22,645 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:22,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:22,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:22,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:22,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:22,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:23,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:23,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:23,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:23,018 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:23,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:23,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:23,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:23,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:23,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:23,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:23,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:23,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:23,393 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:23,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:23,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:23,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:23,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:23,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:23,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:23,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:23,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:23,822 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:23,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:23,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:23,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:23,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:23,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:24,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:24,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:24,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:24,200 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:24,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:24,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:24,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:24,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:24,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:24,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:24,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:24,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:24,567 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:24,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:24,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:24,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:24,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:24,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:24,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:24,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:24,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:24,962 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:24,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:24,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:24,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:24,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:24,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:25,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:25,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:25,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:25,371 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:25,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:25,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:25,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:25,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:25,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:25,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:25,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:25,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:25,769 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:25,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:25,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:25,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:25,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:25,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:26,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:26,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:26,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:26,150 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:26,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:26,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:26,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:26,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:26,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:26,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:26,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:26,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:26,577 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:26,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:26,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:26,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:26,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:26,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:26,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:26,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:26,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:26,939 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:26,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:26,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:26,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:26,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:26,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:27,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:27,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:27,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:27,337 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:27,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:27,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:27,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:27,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:27,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:27,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:27,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:27,725 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:27,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:27,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:27,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:27,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:27,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:28,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:28,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:28,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:28,115 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:28,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:28,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:28,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:28,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:28,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:28,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:28,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:28,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:28,519 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:28,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:28,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:28,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:28,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:28,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:28,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:28,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:28,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:28,964 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:28,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:28,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:28,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:28,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:28,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:29,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:29,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:29,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:29,370 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:29,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:29,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:29,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:29,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:29,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:29,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:29,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:29,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:29,804 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:29,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:29,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:29,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:29,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:29,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:30,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:30,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:30,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:30,179 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:30,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:30,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:30,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:30,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:30,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:30,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:30,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:30,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:30,565 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:30,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:30,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:30,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:30,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:30,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:30,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:30,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:30,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:30,952 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:30,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:30,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:30,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:30,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:30,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:31,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:31,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:31,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:31,359 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:31,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:31,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:31,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:31,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:31,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:31,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:31,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:31,756 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:31,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:31,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:31,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:31,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:31,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:32,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:32,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:32,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:32,130 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:32,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:32,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:32,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:32,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:32,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:32,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:32,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:32,517 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:32,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:32,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:32,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:32,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:32,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:32,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:32,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:32,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:32,891 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:32,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:32,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:32,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:32,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:32,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:33,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:33,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:33,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:33,295 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:33,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:33,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:33,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:33,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:33,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:33,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:33,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:33,686 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:33,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:33,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:33,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:33,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:33,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:34,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:34,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:34,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:34,050 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:34,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:34,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:34,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:34,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:34,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:34,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:34,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:34,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:34,459 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:34,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:34,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:34,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:34,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:34,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:34,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:34,857 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:34,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:34,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:34,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:34,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:34,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:35,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:35,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:35,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:35,244 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:35,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:35,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:35,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:35,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:35,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:35,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:35,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:35,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:35,676 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:35,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:35,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:35,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:35,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:35,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:36,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:36,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:36,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:36,053 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:36,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:36,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:36,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:36,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:36,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:36,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:36,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:36,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:36,451 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:36,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:36,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:36,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:36,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:36,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:36,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:36,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:36,840 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:36,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:36,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:36,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:36,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:36,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:37,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:37,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:37,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:37,250 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:37,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:37,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:37,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:37,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:37,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:37,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:37,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:37,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:37,620 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:37,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:37,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:37,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:37,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:37,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:38,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:38,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:38,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:38,033 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:38,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:38,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:38,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:38,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:38,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:38,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:38,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:38,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:38,441 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:38,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:38,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:38,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:38,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:38,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:38,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:38,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:38,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:38,826 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:38,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:38,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:38,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:38,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:38,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:39,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:39,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:39,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:39,221 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:39,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:39,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:39,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:39,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:39,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:39,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:39,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:39,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:39,621 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:39,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:39,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:39,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:39,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:39,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:40,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:40,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:40,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:40,045 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:40,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:40,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:40,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:40,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:40,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:40,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:40,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:40,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:40,447 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:40,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:40,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:40,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:40,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:40,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:40,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:40,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:40,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:40,862 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:40,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:40,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:40,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:40,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:40,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:41,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:41,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:41,259 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:41,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:41,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:41,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:41,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:41,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:41,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:41,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:41,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:41,683 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:41,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:41,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:41,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:41,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:41,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:42,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:42,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:42,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:42,091 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:42,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:42,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:42,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:42,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:42,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:42,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:42,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:42,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:42,655 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:42,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:42,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:42,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:42,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:42,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:43,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:43,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:43,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:43,073 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:43,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:43,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:43,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:43,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:43,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:43,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:43,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:43,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:43,454 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:43,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:43,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:43,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:43,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:43,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:43,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:43,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:43,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:43,870 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:43,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:43,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:43,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:43,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:43,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:44,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:44,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:44,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:44,261 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:44,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:44,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:44,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:44,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:44,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:44,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:44,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:44,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:44,664 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:44,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:44,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:44,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:44,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:44,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:45,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:45,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:45,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:45,035 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:45,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:45,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:45,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:45,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:45,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:45,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:45,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:45,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:45,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:45,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:45,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:45,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:45,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:45,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:45,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:45,858 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:45,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:45,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:45,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:45,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:45,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:46,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:46,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:46,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:46,232 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:46,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:46,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:46,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:46,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:46,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:46,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:46,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:46,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:46,678 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:46,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:46,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:46,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:46,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:46,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:47,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:47,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:47,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:47,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:47,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:47,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:47,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:47,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:47,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:47,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:47,616 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:47,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:47,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:47,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:47,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:47,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:48,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:48,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:48,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:48,033 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:48,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:48,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:48,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:48,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:48,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:48,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:48,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:48,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:48,449 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:48,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:48,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:48,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:48,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:48,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:48,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:48,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:48,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:48,850 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:48,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:48,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:48,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:48,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:48,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:49,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:49,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:49,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:49,249 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:49,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:49,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:49,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:49,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:49,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:49,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:49,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:49,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:49,656 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:49,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:49,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:49,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:49,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:49,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:50,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:50,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:50,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:50,050 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:50,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:50,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:50,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:50,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:50,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:50,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:50,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:50,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:50,456 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:50,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:50,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:50,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:50,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:50,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:50,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:50,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:50,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:50,868 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:50,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:50,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:50,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:50,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:50,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:51,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:51,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:51,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:51,294 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:51,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:51,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:51,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:51,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:51,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:51,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:51,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:51,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:51,689 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:51,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:51,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:51,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:51,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:51,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:52,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:52,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:52,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:52,075 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:52,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:52,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:52,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:52,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:52,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:52,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:52,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:52,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:52,478 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:52,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:52,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:52,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:52,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:52,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:52,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:52,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:52,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:52,890 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:52,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:52,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:52,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:52,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:52,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:53,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:53,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:53,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:53,337 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:53,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:53,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:53,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:53,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:53,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:53,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:53,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:53,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:53,751 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:53,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:53,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:53,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:53,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:53,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:54,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:54,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:54,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:54,233 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:54,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:54,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:54,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:54,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:54,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:54,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:54,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:54,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:54,736 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:54,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:54,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:54,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:54,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:54,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:55,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:55,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:55,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:55,190 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:55,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:55,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:55,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:55,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:55,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:55,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:55,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:55,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:55,652 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:55,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:55,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:55,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:55,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:55,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:56,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:56,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:56,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:56,087 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:56,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:56,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:56,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:56,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:56,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:56,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:56,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:56,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:56,484 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:56,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:56,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:56,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:56,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:56,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:56,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:56,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:56,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:56,932 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:56,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:56,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:56,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:56,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:56,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:57,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:57,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:57,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:57,344 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:57,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:57,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:57,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:57,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:57,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:57,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:57,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:57,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:57,771 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:57,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:57,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:57,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:57,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:57,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:58,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:58,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:58,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:58,204 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:58,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:58,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:58,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:58,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:58,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:58,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:58,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:58,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:58,664 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:58,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:58,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:58,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:58,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:58,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:59,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:59,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:59,117 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:59,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:59,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:59,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:59,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:59,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:59,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:59,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:59,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:49:59,610 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:49:59,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:49:59,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:59,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:59,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:49:59,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:00,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:00,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:00,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:00,060 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:00,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:00,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:00,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:00,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:00,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:00,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:00,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:00,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:00,475 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:00,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:00,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:00,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:00,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:00,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:00,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:00,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:00,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:00,889 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:00,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:00,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:00,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:00,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:00,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:01,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:01,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:01,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:01,298 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:01,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:01,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:01,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:01,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:01,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:01,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:01,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:01,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:01,762 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:01,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:01,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:01,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:01,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:01,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:02,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:02,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:02,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:02,223 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:02,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:02,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:02,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:02,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:02,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:02,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:02,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:02,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:02,717 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:02,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:02,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:02,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:02,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:02,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:03,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:03,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:03,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:03,170 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:03,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:03,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:03,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:03,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:03,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:03,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:03,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:03,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:03,568 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:03,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:03,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:03,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:03,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:03,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:03,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:04,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:04,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:04,013 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:04,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:04,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:04,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:04,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:04,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:04,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:04,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:04,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:04,436 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:04,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:04,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:04,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:04,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:04,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:04,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:04,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:04,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:04,876 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:04,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:04,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:04,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:04,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:04,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:05,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:05,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:05,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:05,314 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:05,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:05,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:05,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:05,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:05,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:05,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:05,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:05,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:05,714 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:05,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:05,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:05,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:05,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:05,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:06,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:06,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:06,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:06,120 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:06,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:06,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:06,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:06,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:06,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:06,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:06,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:06,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:06,560 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:06,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:06,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:06,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:06,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:06,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:06,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:07,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:07,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:07,011 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:07,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:07,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:07,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:07,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:07,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:07,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:07,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:07,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:07,443 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:07,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:07,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:07,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:07,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:07,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:07,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:07,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:07,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:07,868 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:07,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:07,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:07,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:07,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:07,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:08,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:08,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:08,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:08,293 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:08,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:08,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:08,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:08,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:08,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:08,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:08,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:08,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:08,713 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:08,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:08,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:08,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:08,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:08,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:09,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:09,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:09,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:09,167 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:09,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:09,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:09,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:09,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:09,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:09,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:09,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:09,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:09,594 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:09,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:09,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:09,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:09,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:09,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:10,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:10,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:10,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:10,035 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:10,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:10,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:10,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:10,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:10,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:10,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:10,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:10,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:10,463 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:10,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:10,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:10,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:10,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:10,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:10,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:10,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:10,872 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:10,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:10,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:10,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:10,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:10,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:11,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:11,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:11,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:11,260 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:11,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:11,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:11,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:11,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:11,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:11,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:11,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:11,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:11,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:11,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:11,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:11,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:11,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:12,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:12,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:12,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:12,122 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:12,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:12,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:12,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:12,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:12,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:12,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:12,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:12,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:12,534 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:12,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:12,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:12,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:12,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:12,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:12,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:12,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:12,948 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:12,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:12,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:12,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:12,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:12,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:13,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:13,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:13,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:13,366 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:13,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:13,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:13,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:13,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:13,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:13,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:13,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:13,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:13,785 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:13,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:13,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:13,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:13,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:13,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:14,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:14,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:14,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:14,249 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:14,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:14,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:14,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:14,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:14,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:14,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:14,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:14,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:14,690 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:14,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:14,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:14,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:14,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:14,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:15,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:15,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:15,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:15,090 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:15,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:15,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:15,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:15,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:15,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:15,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:15,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:15,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:15,561 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:15,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:15,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:15,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:15,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:15,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:15,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:15,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:15,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:15,993 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:15,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:15,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:15,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:16,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:16,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:16,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:16,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:16,415 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:16,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:16,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:16,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:16,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:16,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:16,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:16,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:16,847 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:16,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:16,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:16,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:16,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:16,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:17,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:17,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:17,296 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:17,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:17,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:17,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:17,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:17,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:17,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:17,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:17,741 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:17,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:17,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:17,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:17,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:17,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:18,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:18,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:18,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:18,144 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:18,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:18,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:18,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:18,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:18,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:18,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:18,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:18,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:18,571 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:18,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:18,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:18,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:18,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:18,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:18,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:18,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:19,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:19,000 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:19,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:19,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:19,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:19,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:19,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:19,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:19,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:19,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:19,430 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:19,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:19,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:19,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:19,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:19,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:19,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:19,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:19,837 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:19,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:19,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:19,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:19,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:19,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:20,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:20,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:20,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:20,263 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:20,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:20,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:20,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:20,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:20,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:20,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:20,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:20,690 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:20,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:20,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:20,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:20,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:20,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:21,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:21,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:21,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:21,107 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:21,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:21,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:21,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:21,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:21,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:21,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:21,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:21,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:21,506 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:21,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:21,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:21,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:21,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:21,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:21,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:21,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:21,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:21,963 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:21,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:21,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:21,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:21,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:21,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:22,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:22,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:22,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:22,387 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:22,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:22,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:22,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:22,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:22,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:22,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:22,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:22,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:22,834 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:22,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:22,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:22,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:22,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:22,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:23,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:23,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:23,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:23,236 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:23,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:23,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:23,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:23,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:23,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:23,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:23,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:23,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:23,672 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:23,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:23,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:23,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:23,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:23,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:24,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:24,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:24,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:24,170 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:24,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:24,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:24,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:24,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:24,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:24,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:24,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:24,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:24,589 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:24,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:24,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:24,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:24,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:24,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:24,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:25,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:25,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:25,007 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:25,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:25,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:25,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:25,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:25,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:25,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:25,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:25,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:25,452 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:25,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:25,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:25,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:25,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:25,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:25,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:25,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:25,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:25,911 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:25,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:25,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:25,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:25,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:25,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:26,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:26,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:26,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:26,350 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:26,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:26,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:26,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:26,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:26,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:26,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:26,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:26,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:26,772 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:26,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:26,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:26,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:26,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:26,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:27,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:27,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:27,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:27,208 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:27,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:27,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:27,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:27,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:27,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:27,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:27,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:27,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:27,609 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:27,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:27,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:27,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:27,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:27,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:28,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:28,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:28,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:28,048 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:28,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:28,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:28,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:28,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:28,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:28,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:28,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:28,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:28,453 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:28,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:28,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:28,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:28,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:28,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:28,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:28,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:28,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:28,873 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:28,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:28,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:28,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:28,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:28,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:29,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:29,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:29,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:29,313 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:29,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:29,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:29,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:29,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:29,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:29,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:29,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:29,744 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:29,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:29,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:29,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:29,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:29,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:30,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:30,176 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:30,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:30,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:30,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:30,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:30,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:30,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:30,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:30,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:30,571 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:30,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:30,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:30,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:30,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:30,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:31,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:31,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:31,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:31,028 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:31,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:31,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:31,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:31,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:31,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:31,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:31,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:31,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:31,512 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:31,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:31,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:31,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:31,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:31,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:31,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:31,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:31,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:31,942 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:31,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:31,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:31,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:31,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:31,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:32,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:32,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:32,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:32,366 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:32,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:32,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:32,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:32,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:32,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:32,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:32,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:32,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:32,842 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:32,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:32,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:32,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:32,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:32,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:33,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:33,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:33,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:33,276 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:33,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:33,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:33,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:33,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:33,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:33,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:33,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:33,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:33,709 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:33,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:33,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:33,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:33,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:33,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:34,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:34,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:34,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:34,156 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:34,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:34,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:34,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:34,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:34,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:34,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:34,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:34,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:34,607 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:34,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:34,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:34,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:34,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:34,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:35,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:35,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:35,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:35,042 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:35,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:35,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:35,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:35,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:35,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:35,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:35,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:35,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:35,487 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:35,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:35,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:35,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:35,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:35,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:35,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:35,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:35,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:35,919 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:35,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:35,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:35,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:35,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:35,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:36,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:36,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:36,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:36,370 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:36,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:36,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:36,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:36,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:36,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:36,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:36,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:36,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:36,826 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:36,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:36,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:36,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:36,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:36,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:37,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:37,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:37,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:37,241 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:37,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:37,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:37,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:37,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:37,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:37,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:37,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:37,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:37,778 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:37,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:37,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:37,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:37,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:37,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:38,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:38,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:38,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:38,275 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:38,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:38,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:38,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:38,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:38,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:38,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:38,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:38,717 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:38,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:38,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:38,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:38,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:38,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:39,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:39,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:39,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:39,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:39,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:39,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:39,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:39,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:39,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:39,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:39,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:39,771 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:39,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:39,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:39,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:39,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:39,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:40,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:40,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:40,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:40,261 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:40,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:40,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:40,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:40,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:40,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:40,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:40,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:40,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:40,771 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:40,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:40,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:40,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:40,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:40,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:41,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:41,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:41,262 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:41,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:41,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:41,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:41,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:41,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:41,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:41,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:41,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:41,771 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:41,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:41,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:41,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:41,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:41,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:42,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:42,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:42,229 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:42,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:42,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:42,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:42,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:42,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:42,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:42,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:42,702 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:42,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:42,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:42,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:42,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:42,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:43,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:43,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:43,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:43,156 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:43,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:43,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:43,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:43,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:43,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:43,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:43,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:43,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:43,722 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:43,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:43,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:43,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:43,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:43,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:44,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:44,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:44,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:44,135 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:44,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:44,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:44,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:44,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:44,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:44,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:44,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:44,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:44,603 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:44,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:44,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:44,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:44,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:44,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:45,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:45,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:45,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:45,089 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:45,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:45,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:45,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:45,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:45,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:45,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:45,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:45,569 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:45,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:45,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:45,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:45,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:45,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:46,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:46,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:46,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:46,044 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:46,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:46,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:46,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:46,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:46,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:46,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:46,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:46,541 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:46,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:46,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:46,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:46,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:46,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:47,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:47,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:47,033 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:47,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:47,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:47,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:47,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:47,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:47,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:47,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:47,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:47,503 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:47,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:47,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:47,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:47,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:47,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:47,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:48,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:48,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:48,014 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:48,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:48,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:48,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:48,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:48,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:48,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:48,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:48,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:48,558 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:48,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:48,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:48,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:48,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:48,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:49,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:49,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:49,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:49,113 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:49,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:49,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:49,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:49,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:49,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:49,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:49,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:49,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:49,642 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:49,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:49,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:49,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:49,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:49,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:50,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:50,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:50,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:50,123 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:50,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:50,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:50,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:50,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:50,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:50,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:50,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:50,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:50,617 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:50,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:50,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:50,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:50,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:50,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:51,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:51,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:51,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:51,077 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:51,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:51,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:51,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:51,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:51,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:51,507 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:51,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:51,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:51,528 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:51,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:51,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:51,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:51,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:51,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:51,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:52,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:52,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:52,004 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:52,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:52,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:52,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:52,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:52,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:52,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:52,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:52,508 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:52,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:52,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:52,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:52,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:52,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:52,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:53,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:53,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:53,002 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:53,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:53,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:53,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:53,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:53,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:53,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:53,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:53,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:53,477 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:53,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:53,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:53,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:53,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:53,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:53,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:53,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:53,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:53,940 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:53,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:53,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:53,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:53,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:53,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:54,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:54,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:54,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:54,436 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:54,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:54,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:54,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:54,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:54,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:54,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:54,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:54,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:54,899 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:54,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:54,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:54,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:54,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:54,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:55,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:55,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:55,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:55,376 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:55,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:55,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:55,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:55,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:55,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:55,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:55,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:55,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:55,831 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:55,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:55,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:55,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:55,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:55,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:56,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:56,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:56,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:56,269 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:56,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:56,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:56,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:56,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:56,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:56,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:56,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:56,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:56,745 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:56,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:56,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:56,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:56,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:56,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:57,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:57,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:57,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:57,238 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:57,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:57,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:57,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:57,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:57,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:57,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:57,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:57,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:57,783 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:57,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:57,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:57,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:57,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:57,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:58,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:58,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:58,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:58,235 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:58,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:58,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:58,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:58,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:58,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:58,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:58,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:58,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:58,707 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:58,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:58,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:58,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:58,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:58,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:59,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:59,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:59,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:59,209 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:59,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:59,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:59,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:59,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:59,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:59,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:59,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:50:59,697 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:50:59,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:50:59,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:59,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:59,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:50:59,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:00,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:00,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:00,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:00,199 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:00,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:00,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:00,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:00,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:00,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:00,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:00,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:00,696 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:00,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:00,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:00,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:00,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:00,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:01,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:01,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:01,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:01,179 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:01,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:01,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:01,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:01,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:01,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:01,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:01,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:01,673 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:01,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:01,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:01,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:01,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:01,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:02,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:02,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:02,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:02,168 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:02,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:02,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:02,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:02,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:02,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:02,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:02,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:02,659 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:02,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:02,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:02,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:02,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:02,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:03,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:03,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:03,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:03,125 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:03,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:03,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:03,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:03,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:03,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:03,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:03,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:03,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:03,618 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:03,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:03,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:03,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:03,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:03,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:04,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:04,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:04,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:04,137 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:04,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:04,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:04,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:04,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:04,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:04,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:04,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:04,608 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:04,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:04,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:04,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:04,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:04,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:05,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:05,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:05,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:05,107 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:05,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:05,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:05,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:05,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:05,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:05,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:05,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:05,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:05,577 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:05,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:05,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:05,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:05,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:05,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:06,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:06,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:06,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:06,079 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:06,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:06,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:06,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:06,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:06,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:06,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:06,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:06,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:06,610 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:06,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:06,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:06,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:06,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:06,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:07,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:07,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:07,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:07,063 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:07,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:07,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:07,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:07,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:07,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:07,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:07,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:07,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:07,532 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:07,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:07,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:07,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:07,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:07,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:07,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:07,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:07,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:07,997 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:07,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:07,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:07,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:08,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:08,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:08,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:08,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:08,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:08,482 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:08,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:08,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:08,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:08,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:08,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:08,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:08,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:08,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:08,959 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:08,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:08,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:08,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:08,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:08,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:09,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:09,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:09,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:09,444 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:09,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:09,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:09,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:09,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:09,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:09,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:09,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:09,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:09,905 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:09,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:09,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:09,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:09,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:09,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:10,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:10,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:10,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:10,396 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:10,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:10,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:10,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:10,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:10,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:10,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:10,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:10,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:10,903 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:10,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:10,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:10,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:10,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:10,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:11,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:11,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:11,451 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:11,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:11,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:11,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:11,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:11,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:11,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:11,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:11,947 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:11,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:11,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:11,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:11,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:11,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:12,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:12,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:12,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:12,422 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:12,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:12,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:12,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:12,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:12,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:12,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:12,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:12,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:12,940 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:12,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:12,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:12,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:12,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:12,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:13,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:13,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:13,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:13,451 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:13,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:13,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:13,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:13,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:13,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:13,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:13,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:13,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:13,924 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:13,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:13,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:13,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:13,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:13,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:14,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:14,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:14,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:14,419 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:14,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:14,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:14,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:14,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:14,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:14,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:14,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:14,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:14,891 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:14,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:14,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:14,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:14,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:14,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:15,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:15,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:15,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:15,426 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:15,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:15,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:15,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:15,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:15,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:15,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:15,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:15,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:15,949 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:15,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:15,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:15,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:15,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:15,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:16,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:16,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:16,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:16,466 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:16,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:16,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:16,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:16,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:16,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:16,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:16,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:16,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:16,962 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:16,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:16,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:16,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:16,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:16,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:17,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:17,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:17,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:17,456 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:17,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:17,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:17,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:17,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:17,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:17,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:17,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:17,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:17,938 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:17,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:17,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:17,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:17,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:17,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:18,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:18,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:18,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:18,462 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:18,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:18,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:18,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:18,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:18,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:18,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:19,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:19,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:19,004 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:19,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:19,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:19,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:19,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:19,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:19,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:19,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:19,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:19,470 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:19,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:19,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:19,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:19,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:19,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:19,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:19,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:19,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:19,972 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:19,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:19,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:19,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:19,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:19,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:20,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:20,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:20,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:20,477 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:20,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:20,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:20,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:20,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:20,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:20,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:20,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:20,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:20,971 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:20,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:20,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:20,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:20,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:20,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:30,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:30,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:30,350 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:30,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:30,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:30,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:30,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:30,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:30,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:30,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:30,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:30,917 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:30,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:30,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:30,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:30,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:30,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:31,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:31,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:31,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:31,422 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:31,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:31,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:31,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:31,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:31,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:31,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:31,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:31,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:31,950 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:31,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:31,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:31,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:31,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:31,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:32,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:32,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:32,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:32,477 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:32,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:32,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:32,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:32,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:32,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:32,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:32,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:32,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:32,997 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:32,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:32,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:32,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:33,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:33,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:33,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:33,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:33,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:33,561 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:33,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:33,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:33,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:33,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:33,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:34,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:34,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:34,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:34,120 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:34,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:34,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:34,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:34,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:34,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:34,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:34,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:34,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:34,717 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:34,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:34,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:34,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:34,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:34,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:35,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:35,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:35,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:35,369 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:35,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:35,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:35,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:35,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:35,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:35,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:36,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:36,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:36,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:36,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:36,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:36,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:36,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:36,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:36,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:36,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:36,680 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:36,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:36,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:36,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:36,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:36,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:37,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:37,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:37,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:37,462 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:37,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:37,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:37,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:37,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:37,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:38,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:38,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:38,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:38,095 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:38,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:38,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:38,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:38,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:38,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:38,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:38,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:38,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:38,792 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:38,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:38,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:38,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:38,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:38,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:39,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:39,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:39,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:39,588 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:39,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:39,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:39,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:39,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:39,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:40,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:40,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:40,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:40,334 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:40,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:40,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:40,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:40,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:40,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:40,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:40,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:40,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:40,990 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:40,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:40,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:40,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:41,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:41,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:41,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:41,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:41,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:41,661 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:41,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:41,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:41,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:41,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:41,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:42,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:42,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:42,356 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:42,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:42,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:42,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:42,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:42,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:43,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:43,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:43,018 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:43,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:43,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:43,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:43,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:43,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:43,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:43,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:43,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:43,664 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:43,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:43,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:43,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:43,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:43,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:44,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:44,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:44,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:44,297 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:44,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:44,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:44,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:44,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:44,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:44,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:45,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:45,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:45,012 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:45,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:45,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:45,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:45,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:45,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:45,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:45,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:45,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:45,590 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:45,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:45,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:45,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:45,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:45,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:46,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:46,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:46,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:46,189 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:46,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:46,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:46,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:46,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:46,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:46,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:46,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:46,832 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:46,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:46,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:46,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:46,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:46,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:47,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:47,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:47,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:47,440 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:47,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:47,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:47,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:47,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:47,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:48,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:48,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:48,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:48,059 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:48,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:48,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:48,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:48,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:48,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:48,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:48,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:48,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:48,708 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:48,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:48,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:48,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:48,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:48,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:49,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:49,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:49,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:49,312 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:49,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:49,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:49,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:49,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:49,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:50,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:50,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:50,048 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:50,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:50,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:50,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:50,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:50,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:50,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:50,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:50,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:50,756 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:50,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:50,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:50,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:50,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:50,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:51,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:51,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:51,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:51,399 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:51,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:51,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:51,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:51,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:51,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:52,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:52,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:52,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:52,054 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:52,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:52,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:52,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:52,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:52,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:52,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:52,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:52,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:52,728 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:52,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:52,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:52,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:52,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:52,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:53,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:53,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:53,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:53,426 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:53,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:53,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:53,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:53,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:53,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:54,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:54,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:54,271 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:54,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:54,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:54,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:54,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:54,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:54,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:54,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:54,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:54,936 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:54,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:54,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:54,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:54,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:54,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:55,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:55,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:55,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:55,622 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:55,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:55,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:55,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:55,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:55,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:56,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:56,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:56,266 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:56,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:56,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:56,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:56,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:56,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:56,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:56,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:56,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:56,990 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:56,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:56,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:56,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:57,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:57,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:57,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:57,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:57,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:57,657 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:57,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:57,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:57,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:57,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:57,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:58,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:58,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:58,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:58,378 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:58,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:58,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:58,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:58,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:58,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:59,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:59,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:59,085 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:59,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:59,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:59,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:59,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:59,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:59,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:59,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:59,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:51:59,877 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:51:59,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:51:59,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:59,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:59,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:51:59,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:00,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:00,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:00,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:00,601 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:00,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:00,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:00,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:00,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:00,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:01,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:01,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:01,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:01,348 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:01,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:01,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:01,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:01,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:01,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:01,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:02,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:02,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:02,018 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:02,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:02,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:02,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:02,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:02,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:02,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:02,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:02,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:02,703 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:02,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:02,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:02,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:02,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:02,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:03,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:03,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:03,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:03,356 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:03,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:03,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:03,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:03,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:03,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:03,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:03,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:03,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:03,984 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:03,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:03,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:03,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:04,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:04,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:04,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:04,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:04,678 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:04,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:04,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:04,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:04,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:04,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:05,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:05,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:05,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:05,286 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:05,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:05,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:05,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:05,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:05,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:05,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:05,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:05,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:05,809 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:05,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:05,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:05,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:05,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:05,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:06,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:06,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:06,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:06,326 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:06,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:06,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:06,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:06,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:06,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:06,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:06,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:06,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:06,883 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:06,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:06,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:06,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:06,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:06,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:07,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:07,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:07,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:07,470 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:07,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:07,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:07,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:07,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:07,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:07,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:07,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:07,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:07,989 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:07,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:07,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:07,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:08,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:08,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:08,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:08,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:08,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:08,567 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:08,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:08,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:08,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:08,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:08,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:09,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:09,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:09,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:09,093 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:09,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:09,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:09,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:09,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:09,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:09,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:09,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:09,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:09,655 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:09,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:09,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:09,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:09,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:09,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:10,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:10,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:10,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:10,214 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:10,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:10,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:10,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:10,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:10,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:10,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:10,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:10,777 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:10,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:10,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:10,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:10,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:10,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:11,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:11,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:11,342 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:11,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:11,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:11,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:11,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:11,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:11,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:11,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:11,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:11,891 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:11,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:11,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:11,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:11,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:11,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:12,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:12,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:12,402 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:12,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:12,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:12,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:12,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:12,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:12,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:12,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:12,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:12,875 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:12,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:12,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:12,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:12,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:12,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:13,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:13,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:13,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:13,410 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:13,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:13,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:13,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:13,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:13,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:14,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:14,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:14,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:14,197 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:14,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:14,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:14,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:14,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:14,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:14,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:14,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:14,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:14,807 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:14,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:14,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:14,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:14,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:14,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:15,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:15,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:15,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:15,354 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:15,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:15,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:15,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:15,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:15,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:15,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:15,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:15,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:15,919 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:15,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:15,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:15,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:15,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:15,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:16,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:16,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:16,479 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:16,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:16,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:16,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:16,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:16,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:17,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:17,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:17,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:17,029 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:17,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:17,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:17,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:17,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:17,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:17,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:17,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:17,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:17,674 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:17,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:17,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:17,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:17,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:17,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:18,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:18,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:18,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:18,116 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:18,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:18,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:18,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:18,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:18,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:18,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:18,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:18,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:18,670 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:18,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:18,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:18,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:18,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:18,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:19,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:19,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:19,187 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:19,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:19,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:19,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:19,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:19,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:19,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:19,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:19,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:19,724 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:19,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:19,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:19,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:19,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:19,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:20,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:20,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:20,261 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:20,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:20,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:20,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:20,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:20,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:20,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:20,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:20,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:20,838 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:20,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:20,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:20,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:20,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:20,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:21,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:21,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:21,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:21,290 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:21,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:21,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:21,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:21,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:21,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:21,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:21,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:21,890 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:21,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:21,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:21,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:21,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:21,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:22,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:22,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:22,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:22,425 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:22,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:22,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:22,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:22,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:22,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:22,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:22,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:22,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:22,966 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:22,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:22,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:22,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:22,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:22,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:23,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:23,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:23,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:23,601 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:23,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:23,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:23,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:23,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:23,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:24,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:24,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:24,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:24,140 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:24,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:24,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:24,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:24,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:24,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:24,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:24,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:24,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:24,723 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:24,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:24,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:24,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:24,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:24,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:25,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:25,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:25,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:25,331 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:25,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:25,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:25,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:25,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:25,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:26,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:26,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:26,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:26,116 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:26,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:26,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:26,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:26,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:26,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:26,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:26,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:26,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:26,624 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:26,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:26,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:26,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:26,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:26,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:27,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:27,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:27,199 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:27,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:27,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:27,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:27,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:27,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:27,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:27,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:27,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:27,778 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:27,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:27,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:27,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:27,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:27,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:28,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:28,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:28,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:28,398 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:28,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:28,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:28,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:28,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:28,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:28,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:28,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:28,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:28,911 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:28,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:28,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:28,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:28,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:28,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:29,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:29,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:29,406 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:29,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:29,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:29,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:29,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:29,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:29,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:30,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:30,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:30,004 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:30,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:30,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:30,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:30,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:30,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:30,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:30,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:30,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:30,615 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:30,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:30,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:30,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:30,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:30,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:31,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:31,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:31,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:31,143 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:31,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:31,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:31,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:31,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:31,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:31,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:31,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:31,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:31,725 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:31,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:31,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:31,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:31,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:31,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:32,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:32,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:32,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:32,364 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:32,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:32,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:32,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:32,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:32,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:32,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:32,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:32,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:32,956 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:32,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:32,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:32,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:32,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:32,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:33,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:33,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:33,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:33,547 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:33,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:33,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:33,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:33,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:33,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:34,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:34,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:34,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:34,099 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:34,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:34,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:34,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:34,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:34,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:34,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:34,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:34,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:34,610 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:34,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:34,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:34,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:34,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:34,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:35,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:35,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:35,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:35,210 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:35,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:35,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:35,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:35,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:35,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:35,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:35,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:35,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:35,819 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:35,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:35,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:35,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:35,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:35,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:36,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:36,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:36,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:36,469 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:36,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:36,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:36,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:36,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:36,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:37,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:37,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:37,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:37,148 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:37,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:37,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:37,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:37,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:37,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:37,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:37,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:37,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:37,777 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:37,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:37,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:37,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:37,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:37,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:38,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:38,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:38,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:38,434 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:38,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:38,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:38,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:38,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:38,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:39,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:39,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:39,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:39,034 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:39,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:39,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:39,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:39,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:39,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:39,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:39,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:39,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:39,652 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:39,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:39,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:39,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:39,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:39,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:40,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:40,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:40,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:40,239 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:40,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:40,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:40,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:40,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:40,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:40,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:40,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:40,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:40,927 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:40,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:40,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:40,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:40,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:40,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:41,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:41,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:41,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:41,472 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:41,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:41,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:41,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:41,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:41,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:42,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:42,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:42,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:42,055 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:42,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:42,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:42,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:42,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:42,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:42,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:42,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:42,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:42,707 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:42,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:42,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:42,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:42,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:42,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:43,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:43,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:43,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:43,277 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:43,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:43,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:43,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:43,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:43,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:43,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:43,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:43,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:43,855 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:43,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:43,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:43,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:43,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:43,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:44,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:44,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:44,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:44,427 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:44,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:44,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:44,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:44,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:44,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:45,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:45,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:45,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:45,050 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:45,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:45,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:45,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:45,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:45,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:45,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:45,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:45,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:45,657 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:45,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:45,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:45,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:45,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:45,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:46,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:46,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:46,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:46,287 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:46,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:46,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:46,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:46,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:46,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:46,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:46,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:46,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:46,907 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:46,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:46,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:46,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:46,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:46,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:47,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:47,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:47,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:47,489 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:47,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:47,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:47,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:47,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:47,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:48,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:48,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:48,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:48,033 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:48,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:48,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:48,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:48,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:48,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:48,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:48,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:48,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:48,617 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:48,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:48,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:48,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:48,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:48,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:49,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:49,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:49,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:49,243 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:49,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:49,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:49,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:49,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:49,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:49,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:49,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:49,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:49,809 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:49,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:49,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:49,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:49,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:49,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:50,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:50,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:50,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:50,427 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:50,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:50,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:50,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:50,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:50,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:50,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:50,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:50,936 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:50,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:50,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:50,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:50,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:50,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:51,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:51,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:51,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:51,495 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:51,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:51,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:51,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:51,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:51,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:52,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:52,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:52,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:52,082 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:52,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:52,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:52,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:52,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:52,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:52,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:52,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:52,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:52,609 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:52,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:52,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:52,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:52,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:52,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:53,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:53,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:53,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:53,185 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:53,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:53,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:53,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:53,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:53,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:53,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:53,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:53,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:53,787 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:53,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:53,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:53,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:53,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:53,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:54,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:54,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:54,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:54,366 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:54,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:54,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:54,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:54,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:54,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:54,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:54,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:54,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:54,908 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:54,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:54,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:54,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:54,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:54,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:55,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:55,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:55,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:55,689 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:55,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:55,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:55,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:55,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:55,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:56,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:56,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:56,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:56,221 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:56,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:56,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:56,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:56,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:56,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:56,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:56,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:56,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:56,761 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:56,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:56,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:56,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:56,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:56,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:57,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:57,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:57,290 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:57,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:57,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:57,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:57,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:57,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:57,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:57,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:57,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:57,835 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:57,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:57,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:57,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:57,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:57,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:58,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:58,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:58,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:58,374 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:58,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:58,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:58,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:58,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:58,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:58,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:58,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:58,923 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:58,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:58,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:58,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:58,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:58,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:59,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:52:59,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:59,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:52:59,484 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:52:59,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:59,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:59,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:59,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:52:59,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:00,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:00,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:00,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:00,053 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:00,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:00,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:00,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:00,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:00,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:00,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:00,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:00,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:00,696 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:00,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:00,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:00,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:00,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:00,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:01,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:01,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:01,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:01,326 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:01,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:01,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:01,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:01,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:01,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:01,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:01,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:01,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:01,984 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:01,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:01,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:01,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:02,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:02,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:02,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:02,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:02,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:02,628 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:02,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:02,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:02,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:02,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:02,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:03,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:03,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:03,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:03,179 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:03,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:03,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:03,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:03,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:03,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:03,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:03,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:03,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:03,723 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:03,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:03,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:03,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:03,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:03,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:04,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:04,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:04,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:04,309 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:04,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:04,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:04,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:04,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:04,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:04,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:04,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:04,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:04,916 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:04,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:04,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:04,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:04,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:04,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:05,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:05,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:05,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:05,456 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:05,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:05,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:05,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:05,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:05,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:05,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:05,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:05,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:05,994 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:05,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:05,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:05,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:06,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:06,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:06,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:06,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:06,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:06,582 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:06,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:06,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:06,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:06,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:06,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:07,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:07,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:07,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:07,195 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:07,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:07,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:07,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:07,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:07,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:07,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:07,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:07,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:07,787 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:07,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:07,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:07,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:07,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:07,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:08,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:08,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:08,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:08,334 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:08,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:08,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:08,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:08,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:08,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:08,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:08,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:08,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:08,903 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:08,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:08,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:08,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:08,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:08,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:09,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:09,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:09,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:09,503 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:09,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:09,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:09,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:09,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:09,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:10,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:10,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:10,069 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:10,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:10,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:10,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:10,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:10,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:10,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:10,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:10,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:10,644 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:10,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:10,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:10,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:10,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:10,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:11,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:11,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:11,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:11,235 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:11,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:11,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:11,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:11,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:11,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:11,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:11,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:11,883 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:11,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:11,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:11,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:11,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:11,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:12,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:12,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:12,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:12,510 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:12,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:12,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:12,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:12,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:12,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:13,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:13,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:13,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:13,083 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:13,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:13,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:13,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:13,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:13,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:13,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:13,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:13,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:13,677 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:13,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:13,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:13,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:13,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:13,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:14,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:14,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:14,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:14,285 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:14,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:14,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:14,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:14,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:14,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:14,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:14,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:14,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:14,904 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:14,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:14,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:14,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:14,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:14,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:15,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:15,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:15,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:15,455 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:15,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:15,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:15,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:15,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:15,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:16,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:16,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:16,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:16,030 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:16,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:16,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:16,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:16,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:16,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:16,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:16,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:16,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:16,599 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:16,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:16,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:16,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:16,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:16,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:17,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:17,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:17,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:17,178 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:17,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:17,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:17,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:17,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:17,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:17,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:17,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:17,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:17,710 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:17,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:17,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:17,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:17,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:17,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:18,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:18,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:18,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:18,279 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:18,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:18,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:18,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:18,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:18,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:18,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:18,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:18,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:18,880 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:18,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:18,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:18,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:18,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:18,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:19,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:19,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:19,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:19,475 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:19,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:19,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:19,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:19,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:19,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:20,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:20,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:20,031 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:20,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:20,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:20,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:20,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:20,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:20,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:20,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:20,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:20,615 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:20,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:20,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:20,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:20,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:20,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:21,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:21,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:21,222 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:21,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:21,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:21,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:21,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:21,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:21,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:21,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:21,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:21,834 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:21,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:21,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:21,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:21,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:21,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:22,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:22,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:22,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:22,468 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:22,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:22,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:22,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:22,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:22,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:23,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:23,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:23,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:23,038 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:23,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:23,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:23,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:23,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:23,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:23,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:23,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:23,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:23,683 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:23,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:23,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:23,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:23,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:23,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:24,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:24,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:24,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:24,306 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:24,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:24,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:24,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:24,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:24,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:24,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:24,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:24,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:24,894 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:24,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:24,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:24,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:24,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:24,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:25,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:25,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:25,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:25,498 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:25,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:25,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:25,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:25,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:25,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:26,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:26,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:26,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:26,179 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:26,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:26,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:26,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:26,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:26,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:26,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:26,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:26,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:26,765 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:26,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:26,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:26,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:26,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:26,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:27,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:27,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:27,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:27,345 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:27,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:27,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:27,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:27,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:27,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:27,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:27,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:27,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:27,902 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:27,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:27,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:27,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:27,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:27,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:28,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:28,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:28,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:28,484 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:28,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:28,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:28,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:28,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:28,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:29,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:29,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:29,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:29,062 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:29,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:29,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:29,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:29,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:29,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:29,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:29,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:29,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:29,709 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:29,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:29,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:29,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:29,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:29,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:30,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:30,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:30,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:30,256 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:30,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:30,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:30,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:30,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:30,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:30,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:30,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:30,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:30,853 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:30,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:30,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:30,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:30,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:30,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:31,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:31,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:31,457 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:31,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:31,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:31,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:31,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:31,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:32,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:32,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:32,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:32,036 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:32,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:32,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:32,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:32,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:32,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:32,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:32,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:32,605 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:32,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:32,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:32,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:32,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:32,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:33,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:33,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:33,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:33,195 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:33,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:33,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:33,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:33,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:33,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:33,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:33,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:33,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:33,810 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:33,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:33,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:33,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:33,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:33,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:34,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:34,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:34,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:34,377 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:34,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:34,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:34,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:34,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:34,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:34,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:34,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:34,954 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:34,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:34,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:34,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:34,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:34,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:35,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:35,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:35,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:35,552 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:35,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:35,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:35,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:35,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:35,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:36,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:36,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:36,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:36,133 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:36,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:36,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:36,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:36,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:36,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:36,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:36,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:36,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:36,671 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:36,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:36,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:36,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:36,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:36,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:37,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:37,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:37,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:37,256 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:37,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:37,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:37,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:37,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:37,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:37,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:37,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:37,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:37,869 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:37,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:37,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:37,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:37,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:37,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:38,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:38,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:38,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:38,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:38,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:38,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:38,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:38,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:39,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:39,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:39,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:39,042 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:39,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:39,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:39,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:39,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:39,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:39,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:39,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:39,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:39,617 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:39,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:39,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:39,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:39,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:39,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:40,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:40,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:40,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:40,166 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:40,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:40,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:40,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:40,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:40,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:40,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:40,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:40,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:40,744 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:40,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:40,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:40,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:40,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:40,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:41,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:41,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:41,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:41,306 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:41,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:41,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:41,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:41,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:41,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:41,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:41,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:41,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:41,875 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:41,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:41,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:41,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:41,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:41,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:42,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:42,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:42,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:42,473 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:42,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:42,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:42,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:42,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:42,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:43,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:43,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:43,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:43,061 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:43,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:43,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:43,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:43,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:43,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:43,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:43,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:43,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:43,671 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:43,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:43,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:43,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:43,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:43,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:44,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:44,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:44,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:44,320 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:44,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:44,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:44,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:44,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:44,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:44,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:44,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:44,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:44,891 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:44,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:44,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:44,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:44,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:44,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:45,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:45,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:45,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:45,515 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:45,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:45,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:45,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:45,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:45,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:46,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:46,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:46,076 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:46,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:46,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:46,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:46,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:46,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:46,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:46,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:46,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:46,629 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:46,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:46,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:46,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:46,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:46,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:47,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:47,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:47,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:47,196 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:47,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:47,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:47,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:47,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:47,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:47,802 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:47,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:47,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:47,828 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:47,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:47,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:47,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:47,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:47,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:48,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:48,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:48,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:48,435 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:48,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:48,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:48,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:48,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:48,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:49,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:49,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:49,010 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:49,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:49,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:49,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:49,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:49,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:49,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:49,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:49,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:49,573 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:49,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:49,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:49,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:49,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:49,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:50,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:50,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:50,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:50,176 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:50,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:50,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:50,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:50,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:50,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:50,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:50,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:50,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:50,738 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:50,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:50,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:50,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:50,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:50,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:51,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:51,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:51,312 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:51,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:51,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:51,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:51,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:51,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:51,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:51,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:51,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:51,934 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:51,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:51,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:51,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:51,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:51,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:52,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:52,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:52,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:52,500 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:52,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:52,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:52,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:52,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:52,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:53,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:53,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:53,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:53,052 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:53,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:53,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:53,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:53,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:53,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:53,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:53,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:53,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:53,620 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:53,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:53,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:53,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:53,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:53,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:54,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:54,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:54,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:54,165 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:54,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:54,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:54,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:54,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:54,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:54,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:54,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:54,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:54,781 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:54,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:54,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:54,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:54,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:54,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:55,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:55,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:55,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:55,364 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:55,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:55,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:55,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:55,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:55,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:55,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:55,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:55,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:55,961 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:55,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:55,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:55,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:55,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:55,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:56,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:56,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:56,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:56,532 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:56,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:56,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:56,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:56,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:56,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:57,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:57,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:57,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:57,195 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:57,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:57,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:57,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:57,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:57,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:57,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:57,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:57,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:57,932 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:57,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:57,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:57,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:57,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:57,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:58,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:58,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:58,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:58,597 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:58,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:58,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:58,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:58,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:58,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:59,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:59,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:59,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:59,151 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:59,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:59,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:59,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:59,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:59,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:59,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:59,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:59,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:53:59,802 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:53:59,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:59,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:59,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:59,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:53:59,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:00,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:00,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:00,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:00,495 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:00,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:00,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:00,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:00,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:00,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:01,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:01,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:01,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:01,156 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:01,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:01,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:01,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:01,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:01,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:01,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:01,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:01,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:01,820 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:01,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:01,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:01,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:01,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:01,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:02,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:02,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:02,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:02,404 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:02,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:02,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:02,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:02,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:02,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:02,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:02,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:02,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:02,966 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:02,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:02,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:02,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:02,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:02,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:03,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:03,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:03,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:03,633 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:03,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:03,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:03,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:03,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:03,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:04,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:04,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:04,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:04,324 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:04,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:04,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:04,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:04,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:04,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:05,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:05,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:05,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:05,057 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:05,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:05,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:05,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:05,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:05,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:05,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:05,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:05,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:05,796 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:05,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:05,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:05,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:05,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:05,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:06,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:06,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:06,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:06,544 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:06,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:06,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:06,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:06,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:06,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:07,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:07,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:07,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:07,286 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:07,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:07,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:07,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:07,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:07,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:07,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:08,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:08,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:08,022 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:08,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:08,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:08,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:08,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:08,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:08,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:08,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:08,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:08,699 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:08,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:08,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:08,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:08,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:08,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:09,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:09,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:09,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:09,350 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:09,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:09,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:09,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:09,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:09,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:09,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:10,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:10,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:10,007 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:10,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:10,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:10,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:10,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:10,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:10,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:10,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:10,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:10,639 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:10,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:10,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:10,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:10,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:10,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:11,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:11,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:11,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:11,297 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:11,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:11,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:11,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:11,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:11,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:11,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:11,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:11,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:11,923 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:11,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:11,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:11,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:11,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:11,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:12,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:12,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:12,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:12,607 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:12,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:12,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:12,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:12,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:12,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:13,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:13,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:13,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:13,234 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:13,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:13,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:13,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:13,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:13,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:13,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:13,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:13,792 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:13,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:13,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:13,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:13,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:13,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:14,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:14,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:14,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:14,327 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:14,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:14,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:14,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:14,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:14,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:14,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:14,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:14,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:14,940 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:14,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:14,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:14,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:14,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:14,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:15,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:15,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:15,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:15,516 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:15,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:15,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:15,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:15,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:15,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:16,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:16,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:16,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:16,063 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:16,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:16,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:16,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:16,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:16,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:16,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:16,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:16,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:16,639 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:16,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:16,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:16,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:16,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:16,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:17,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:17,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:17,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:17,292 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:17,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:17,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:17,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:17,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:17,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:17,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:17,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:17,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:17,847 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:17,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:17,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:17,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:17,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:17,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:18,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:18,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:18,578 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:18,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:18,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:18,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:18,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:19,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:19,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:19,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:19,176 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:19,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:19,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:19,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:19,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:19,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:19,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:19,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:19,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:19,776 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:19,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:19,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:19,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:19,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:19,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:20,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:20,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:20,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:20,349 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:20,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:20,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:20,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:20,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:20,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:20,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:20,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:20,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:20,910 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:20,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:20,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:20,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:20,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:20,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:21,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:21,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:21,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:21,471 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:21,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:21,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:21,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:21,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:21,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:21,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:22,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:22,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:22,022 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:22,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:22,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:22,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:22,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:22,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:22,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:22,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:22,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:22,577 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:22,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:22,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:22,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:22,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:22,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:23,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:23,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:23,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:23,140 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:23,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:23,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:23,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:23,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:23,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:23,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:23,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:23,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:23,807 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:23,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:23,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:23,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:23,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:23,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:24,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:24,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:24,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:24,462 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:24,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:24,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:24,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:24,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:24,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:25,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:25,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:25,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:25,158 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:25,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:25,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:25,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:25,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:25,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:25,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:25,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:25,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:25,855 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:25,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:25,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:25,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:25,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:25,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:26,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:26,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:26,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:26,671 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:26,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:26,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:26,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:26,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:26,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:27,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:27,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:27,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:27,432 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:27,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:27,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:27,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:27,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:27,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:28,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:28,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:28,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:28,167 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:28,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:28,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:28,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:28,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:28,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:28,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:28,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:28,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:28,795 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:28,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:28,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:28,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:28,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:28,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:29,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:29,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:29,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:29,471 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:29,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:29,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:29,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:29,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:29,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:30,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:30,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:30,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:30,200 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:30,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:30,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:30,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:30,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:30,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:30,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:30,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:30,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:30,806 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:30,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:30,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:30,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:30,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:30,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:31,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:31,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:31,459 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:31,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:31,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:31,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:31,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:31,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:32,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:32,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:32,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:32,107 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:32,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:32,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:32,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:32,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:32,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:32,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:32,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:32,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:32,748 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:32,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:32,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:32,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:32,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:32,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:33,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:33,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:33,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:33,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:33,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:33,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:33,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:33,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:33,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:33,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:33,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:33,903 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:33,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:33,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:33,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:33,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:33,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:34,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:34,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:34,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:34,538 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:34,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:34,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:34,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:34,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:34,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:35,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:35,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:35,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:35,222 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:35,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:35,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:35,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:35,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:35,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:35,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:35,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:35,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:35,853 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:35,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:35,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:35,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:35,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:35,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:36,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:36,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:36,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:36,450 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:36,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:36,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:36,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:36,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:36,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:37,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:37,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:37,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:37,055 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:37,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:37,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:37,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:37,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:37,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:37,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:37,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:37,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:37,647 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:37,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:37,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:37,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:37,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:37,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:38,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:38,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:38,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:38,209 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:38,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:38,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:38,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:38,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:38,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:38,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:38,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:38,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:38,821 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:38,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:38,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:38,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:38,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:38,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:39,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:39,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:39,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:39,430 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:39,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:39,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:39,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:39,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:39,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:40,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:40,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:40,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:40,084 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:40,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:40,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:40,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:40,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:40,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:40,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:40,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:40,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:40,651 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:40,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:40,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:40,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:40,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:40,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:41,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:41,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:41,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:41,221 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:41,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:41,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:41,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:41,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:41,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:41,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:41,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:41,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:41,920 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:41,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:41,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:41,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:41,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:41,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:42,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:42,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:42,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:42,587 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:42,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:42,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:42,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:42,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:42,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:43,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:43,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:43,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:43,322 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:43,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:43,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:43,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:43,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:43,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:43,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:43,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:43,995 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:43,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:43,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:43,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:44,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:44,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:44,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:44,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:44,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:44,649 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:44,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:44,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:44,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:44,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:45,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:45,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:45,332 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:45,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:45,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:45,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:45,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:45,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:45,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:46,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:46,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:46,014 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:46,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:46,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:46,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:46,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:46,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:46,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:46,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:46,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:46,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:46,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:46,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:46,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:46,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:47,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:47,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:47,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:47,309 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:47,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:47,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:47,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:47,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:47,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:47,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:47,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:47,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:47,985 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:47,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:47,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:47,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:48,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:48,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:48,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:48,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:48,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:48,650 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:48,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:48,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:48,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:48,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:48,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:49,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:49,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:49,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:49,303 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:49,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:49,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:49,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:49,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:49,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:49,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:49,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:49,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:49,901 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:49,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:49,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:49,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:49,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:49,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:50,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:50,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:50,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:50,574 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:50,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:50,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:50,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:50,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:50,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:51,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:51,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:51,171 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:51,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:51,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:51,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:51,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:51,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:51,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:51,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:51,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:51,807 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:51,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:51,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:51,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:51,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:51,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:52,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:52,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:52,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:52,492 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:52,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:52,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:52,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:52,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:52,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:53,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:53,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:53,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:53,132 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:53,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:53,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:53,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:53,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:53,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:53,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:53,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:53,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:53,777 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:53,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:53,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:53,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:53,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:53,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:54,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:54,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:54,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:54,407 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:54,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:54,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:54,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:54,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:54,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:55,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:55,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:55,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:55,036 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:55,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:55,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:55,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:55,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:55,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:55,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:55,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:55,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:55,660 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:55,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:55,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:55,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:55,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:55,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:56,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:56,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:56,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:56,282 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:56,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:56,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:56,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:56,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:56,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:56,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:56,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:56,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:56,969 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:56,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:56,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:56,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:56,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:56,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:57,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:57,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:57,645 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:57,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:57,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:57,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:57,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:57,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:58,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:58,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:58,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:58,306 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:58,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:58,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:58,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:58,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:58,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:58,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:58,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:58,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:58,957 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:58,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:58,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:58,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:58,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:58,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:54:59,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:54:59,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:59,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:54:59,571 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:54:59,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:54:59,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:59,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:59,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:54:59,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:00,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:00,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:00,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:00,152 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:00,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:00,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:00,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:00,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:00,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:00,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:00,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:00,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:00,768 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:00,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:00,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:00,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:00,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:00,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:01,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:01,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:01,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:01,396 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:01,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:01,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:01,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:01,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:01,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:02,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:02,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:02,284 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:02,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:02,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:02,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:02,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:02,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:02,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:02,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:02,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:02,932 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:02,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:02,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:02,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:02,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:02,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:03,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:03,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:03,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:03,611 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:03,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:03,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:03,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:03,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:04,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:04,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:04,266 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:04,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:04,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:04,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:04,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:04,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:04,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:04,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:04,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:04,952 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:04,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:04,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:04,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:04,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:04,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:05,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:05,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:05,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:05,615 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:05,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:05,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:05,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:05,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:05,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:06,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:06,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:06,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:06,274 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:06,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:06,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:06,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:06,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:06,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:06,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:06,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:06,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:06,955 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:06,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:06,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:06,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:06,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:06,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:07,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:07,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:07,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:07,553 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:07,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:07,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:07,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:07,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:07,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:08,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:08,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:08,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:08,193 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:08,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:08,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:08,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:08,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:08,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:08,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:08,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:08,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:08,811 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:08,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:08,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:08,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:08,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:09,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:09,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:09,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:09,454 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:09,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:09,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:09,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:09,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:09,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:10,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:10,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:10,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:10,129 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:10,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:10,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:10,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:10,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:10,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:10,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:10,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:10,745 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:10,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:10,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:10,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:10,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:10,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:11,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:11,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:11,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:11,445 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:11,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:11,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:11,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:11,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:11,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:12,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:12,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:12,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:12,355 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:12,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:12,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:12,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:12,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:12,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:12,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:13,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:13,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:13,010 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:13,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:13,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:13,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:13,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:13,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:13,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:13,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:13,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:13,684 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:13,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:13,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:13,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:13,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:13,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:14,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:14,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:14,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:14,329 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:14,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:14,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:14,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:14,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:14,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:14,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:15,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:15,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:15,018 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:15,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:15,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:15,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:15,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:15,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:15,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:15,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:15,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:15,761 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:15,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:15,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:15,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:15,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:15,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:16,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:16,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:16,411 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:16,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:16,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:16,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:16,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:16,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:17,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:17,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:17,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:17,061 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:17,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:17,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:17,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:17,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:17,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:17,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:17,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:17,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:17,779 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:17,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:17,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:17,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:17,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:17,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:18,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:18,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:18,494 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:18,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:18,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:18,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:18,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:18,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:19,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:19,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:19,192 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:19,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:19,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:19,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:19,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:19,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:19,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:19,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:19,959 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:19,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:19,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:19,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:19,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:19,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:20,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:20,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:20,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:20,613 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:20,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:20,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:20,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:20,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:20,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:21,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:21,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:21,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:21,235 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:21,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:21,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:21,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:21,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:21,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:21,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:21,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:21,900 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:21,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:21,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:21,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:21,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:21,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:22,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:22,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:22,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:22,542 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:22,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:22,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:22,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:22,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:22,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:23,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:23,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:23,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:23,149 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:23,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:23,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:23,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:23,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:23,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:23,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:23,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:23,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:23,769 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:23,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:23,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:23,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:23,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:23,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:24,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:24,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:24,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:24,413 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:24,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:24,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:24,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:24,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:24,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:25,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:25,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:25,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:25,050 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:25,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:25,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:25,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:25,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:25,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:25,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:25,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:25,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:25,707 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:25,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:25,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:25,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:25,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:25,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:26,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:26,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:26,401 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:26,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:26,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:26,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:26,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:26,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:27,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:27,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:27,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:27,124 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:27,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:27,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:27,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:27,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:27,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:27,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:27,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:27,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:27,844 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:27,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:27,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:27,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:27,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:27,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:28,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:28,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:28,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:28,502 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:28,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:28,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:28,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:28,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:28,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:29,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:29,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:29,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:29,137 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:29,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:29,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:29,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:29,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:29,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:29,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:29,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:29,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:29,763 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:29,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:29,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:29,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:29,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:29,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:30,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:30,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:30,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:30,396 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:30,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:30,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:30,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:30,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:30,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:30,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:30,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:30,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:30,992 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:30,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:30,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:30,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:31,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:31,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:31,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:31,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:31,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:31,682 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:31,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:31,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:31,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:31,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:31,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:32,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:32,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:32,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:32,303 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:32,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:32,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:32,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:32,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:32,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:32,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:32,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:32,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:32,912 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:32,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:32,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:32,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:32,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:32,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:33,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:33,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:33,545 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:33,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:33,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:33,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:33,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:33,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:34,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:34,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:34,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:34,229 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:34,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:34,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:34,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:34,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:34,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:34,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:34,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:34,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:34,907 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:34,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:34,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:34,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:34,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:34,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:35,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:35,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:35,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:35,547 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:35,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:35,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:35,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:35,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:35,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:36,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:36,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:36,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:36,218 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:36,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:36,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:36,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:36,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:36,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:36,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:36,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:36,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:36,887 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:36,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:36,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:36,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:36,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:36,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:37,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:37,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:37,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:37,526 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:37,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:37,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:37,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:37,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:37,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:38,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:38,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:38,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:38,195 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:38,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:38,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:38,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:38,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:38,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:38,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:38,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:38,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:38,908 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:38,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:38,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:38,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:38,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:38,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:39,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:39,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:39,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:39,551 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:39,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:39,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:39,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:39,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:39,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:40,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:40,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:40,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:40,208 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:40,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:40,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:40,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:40,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:40,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:40,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:40,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:40,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:40,855 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:40,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:40,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:40,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:40,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:40,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:41,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:41,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:41,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:41,456 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:41,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:41,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:41,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:41,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:41,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:42,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:42,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:42,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:42,127 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:42,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:42,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:42,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:42,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:42,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:42,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:42,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:42,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:42,825 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:42,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:42,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:42,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:42,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:42,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:43,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:43,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:43,698 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:43,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:43,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:43,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:43,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:43,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:44,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:44,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:44,356 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:44,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:44,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:44,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:44,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:44,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:44,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:45,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:45,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:45,018 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:45,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:45,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:45,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:45,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:45,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:45,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:45,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:45,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:45,623 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:45,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:45,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:45,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:45,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:45,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:46,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:46,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:46,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:46,317 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:46,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:46,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:46,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:46,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:46,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:46,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:46,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:46,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:46,939 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:46,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:46,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:46,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:46,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:46,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:47,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:47,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:47,547 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:47,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:47,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:47,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:47,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:47,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:48,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:48,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:48,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:48,174 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:48,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:48,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:48,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:48,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:48,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:48,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:48,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:48,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:48,828 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:48,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:48,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:48,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:48,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:48,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:49,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:49,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:49,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:49,469 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:49,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:49,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:49,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:49,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:49,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:50,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:50,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:50,093 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:50,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:50,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:50,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:50,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:50,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:50,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:50,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:50,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:50,750 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:50,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:50,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:50,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:50,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:50,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:51,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:51,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:51,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:51,405 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:51,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:51,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:51,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:51,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:51,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:51,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:52,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:52,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:52,012 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:52,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:52,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:52,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:52,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:52,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:52,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:52,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:52,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:52,622 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:52,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:52,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:52,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:52,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:52,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:53,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:53,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:53,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:53,235 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:53,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:53,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:53,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:53,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:53,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:53,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:53,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:53,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:53,919 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:53,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:53,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:53,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:53,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:53,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:54,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:54,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:54,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:54,546 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:54,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:54,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:54,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:54,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:54,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:55,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:55,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:55,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:55,229 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:55,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:55,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:55,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:55,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:55,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:55,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:55,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:55,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:55,857 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:55,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:55,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:55,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:55,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:55,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:56,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:56,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:56,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:56,565 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:56,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:56,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:56,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:56,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:56,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:57,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:57,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:57,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:57,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:57,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:57,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:57,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:57,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:57,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:57,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:57,859 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:57,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:57,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:57,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:57,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:57,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:58,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:58,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:58,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:58,538 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:58,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:58,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:58,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:58,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:58,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:59,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:59,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:59,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:59,203 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:59,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:59,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:59,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:59,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:59,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:55:59,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:55:59,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:59,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:55:59,817 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:55:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:55:59,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:59,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:59,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:55:59,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:00,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:00,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:00,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:00,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:00,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:00,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:00,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:00,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:01,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:01,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:01,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:01,165 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:01,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:01,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:01,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:01,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:01,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:01,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:01,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:01,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:01,824 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:01,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:01,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:01,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:01,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:01,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:02,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:02,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:02,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:02,436 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:02,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:02,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:02,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:02,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:02,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:03,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:03,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:03,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:03,035 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:03,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:03,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:03,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:03,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:03,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:03,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:03,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:03,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:03,647 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:03,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:03,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:03,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:03,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:03,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:04,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:04,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:04,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:04,319 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:04,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:04,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:04,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:04,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:04,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:04,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:04,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:04,948 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:04,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:04,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:04,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:04,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:04,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:05,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:05,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:05,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:05,602 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:05,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:05,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:05,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:05,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:05,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:06,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:06,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:06,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:06,220 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:06,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:06,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:06,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:06,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:06,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:06,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:06,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:06,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:06,918 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:06,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:06,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:06,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:06,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:06,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:07,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:07,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:07,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:07,567 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:07,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:07,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:07,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:07,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:07,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:08,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:08,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:08,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:08,226 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:08,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:08,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:08,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:08,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:08,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:08,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:08,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:08,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:08,812 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:08,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:08,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:08,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:08,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:08,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:09,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:09,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:09,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:09,496 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:09,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:09,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:09,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:09,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:09,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:10,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:10,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:10,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:10,124 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:10,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:10,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:10,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:10,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:10,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:10,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:10,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:10,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:10,812 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:10,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:10,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:10,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:10,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:10,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:11,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:11,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:11,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:11,493 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:11,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:11,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:11,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:11,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:11,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:12,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:12,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:12,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:12,183 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:12,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:12,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:12,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:12,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:12,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:12,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:12,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:12,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:12,826 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:12,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:12,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:12,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:12,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:12,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:13,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:13,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:13,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:13,466 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:13,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:13,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:13,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:13,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:13,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:14,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:14,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:14,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:14,070 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:14,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:14,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:14,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:14,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:14,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:14,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:14,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:14,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:14,766 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:14,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:14,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:14,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:14,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:14,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:15,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:15,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:15,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:15,428 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:15,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:15,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:15,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:15,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:15,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:16,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:16,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:16,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:16,041 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:16,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:16,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:16,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:16,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:16,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:16,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:16,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:16,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:16,702 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:16,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:16,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:16,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:16,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:16,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:17,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:17,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:17,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:17,433 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:17,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:17,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:17,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:17,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:17,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:18,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:18,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:18,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:18,069 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:18,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:18,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:18,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:18,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:18,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:18,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:18,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:18,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:18,703 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:18,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:18,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:18,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:18,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:18,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:19,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:19,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:19,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:19,333 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:19,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:19,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:19,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:19,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:19,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:19,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:20,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:20,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:20,003 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:20,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:20,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:20,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:20,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:20,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:20,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:20,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:20,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:20,651 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:20,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:20,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:20,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:20,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:20,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:21,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:21,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:21,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:21,312 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:21,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:21,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:21,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:21,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:21,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:21,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:21,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:21,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:21,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:21,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:21,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:21,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:22,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:22,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:22,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:22,629 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:22,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:22,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:22,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:22,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:23,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:23,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:23,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:23,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:23,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:23,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:23,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:23,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:23,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:23,901 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:23,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:23,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:23,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:23,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:23,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:24,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:24,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:24,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:24,589 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:24,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:24,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:24,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:24,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:24,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:25,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:25,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:25,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:25,316 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:25,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:25,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:25,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:25,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:25,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:25,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:25,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:25,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:25,961 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:25,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:25,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:25,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:25,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:26,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:26,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:26,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:26,624 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:26,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:26,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:26,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:26,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:26,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:27,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:27,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:27,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:27,329 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:27,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:27,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:27,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:27,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:27,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:28,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:28,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:28,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:28,056 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:28,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:28,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:28,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:28,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:28,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:28,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:28,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:28,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:28,736 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:28,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:28,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:28,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:28,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:28,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:29,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:29,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:29,402 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:29,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:29,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:29,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:29,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:29,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:30,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:30,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:30,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:30,074 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:30,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:30,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:30,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:30,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:30,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:30,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:30,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:30,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:30,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:30,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:30,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:30,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:31,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:31,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:31,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:31,423 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:31,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:31,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:31,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:31,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:31,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:32,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:32,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:32,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:32,098 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:32,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:32,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:32,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:32,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:32,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:32,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:32,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:32,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:32,774 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:32,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:32,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:32,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:32,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:32,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:33,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:33,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:33,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:33,696 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:33,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:33,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:33,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:33,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:34,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:34,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:34,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:34,368 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:34,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:34,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:34,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:34,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:34,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:34,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:35,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:35,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:35,026 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:35,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:35,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:35,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:35,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:35,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:35,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:35,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:35,688 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:35,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:35,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:35,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:35,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:35,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:36,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:36,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:36,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:36,346 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:36,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:36,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:36,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:36,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:36,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:37,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:37,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:37,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:37,041 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:37,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:37,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:37,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:37,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:37,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:37,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:37,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:37,714 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:37,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:37,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:37,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:37,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:37,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:38,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:38,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:38,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2021-11-23 01:56:38,363 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 01:56:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:56:38,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:38,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:38,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:56:38,382 INFO L286 TraceCheckSpWp]: Computing forward predicates...