./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/up.i --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_456029fa-b3e6-4f37-b2fe-71a2093169ae/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456029fa-b3e6-4f37-b2fe-71a2093169ae/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_456029fa-b3e6-4f37-b2fe-71a2093169ae/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456029fa-b3e6-4f37-b2fe-71a2093169ae/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/up.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456029fa-b3e6-4f37-b2fe-71a2093169ae/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_456029fa-b3e6-4f37-b2fe-71a2093169ae/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 ff5c10c83c8d29dcc2c2798035fa2754df224d2313ad9c91b6ee5bb6ca3d9a9f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:44:12,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:44:12,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:44:12,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:44:12,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:44:12,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:44:12,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:44:12,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:44:12,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:44:12,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:44:12,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:44:12,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:44:12,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:44:12,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:44:12,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:44:12,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:44:12,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:44:12,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:44:12,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:44:12,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:44:12,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:44:12,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:44:12,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:44:12,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:44:12,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:44:12,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:44:12,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:44:12,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:44:12,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:44:12,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:44:12,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:44:12,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:44:12,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:44:12,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:44:12,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:44:12,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:44:12,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:44:12,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:44:12,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:44:12,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:44:12,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:44:12,944 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456029fa-b3e6-4f37-b2fe-71a2093169ae/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:44:12,987 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:44:12,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:44:12,988 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:44:12,989 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:44:12,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:44:12,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:44:12,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:44:12,990 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:44:12,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:44:12,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:44:12,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:44:12,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:44:12,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:44:12,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:44:12,993 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:44:12,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:44:12,993 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:44:12,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:44:12,993 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:44:12,994 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:44:12,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:44:12,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:44:12,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:44:12,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:44:12,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:44:12,995 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:44:12,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:44:12,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:44:12,995 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_456029fa-b3e6-4f37-b2fe-71a2093169ae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456029fa-b3e6-4f37-b2fe-71a2093169ae/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff5c10c83c8d29dcc2c2798035fa2754df224d2313ad9c91b6ee5bb6ca3d9a9f [2021-11-23 00:44:13,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:44:13,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:44:13,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:44:13,314 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:44:13,315 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:44:13,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456029fa-b3e6-4f37-b2fe-71a2093169ae/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loop-invgen/up.i [2021-11-23 00:44:13,385 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456029fa-b3e6-4f37-b2fe-71a2093169ae/bin/ukojak-LBtLqBUTdQ/data/4dd9490f9/4e56e215beba4ac0ad441f5a36c50dfa/FLAGb2ca55328 [2021-11-23 00:44:13,840 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:44:13,841 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456029fa-b3e6-4f37-b2fe-71a2093169ae/sv-benchmarks/c/loop-invgen/up.i [2021-11-23 00:44:13,847 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456029fa-b3e6-4f37-b2fe-71a2093169ae/bin/ukojak-LBtLqBUTdQ/data/4dd9490f9/4e56e215beba4ac0ad441f5a36c50dfa/FLAGb2ca55328 [2021-11-23 00:44:14,228 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456029fa-b3e6-4f37-b2fe-71a2093169ae/bin/ukojak-LBtLqBUTdQ/data/4dd9490f9/4e56e215beba4ac0ad441f5a36c50dfa [2021-11-23 00:44:14,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:44:14,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:44:14,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:44:14,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:44:14,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:44:14,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:44:14" (1/1) ... [2021-11-23 00:44:14,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7612d7fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:14, skipping insertion in model container [2021-11-23 00:44:14,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:44:14" (1/1) ... [2021-11-23 00:44:14,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:44:14,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:44:14,409 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_456029fa-b3e6-4f37-b2fe-71a2093169ae/sv-benchmarks/c/loop-invgen/up.i[893,906] [2021-11-23 00:44:14,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:44:14,435 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:44:14,454 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_456029fa-b3e6-4f37-b2fe-71a2093169ae/sv-benchmarks/c/loop-invgen/up.i[893,906] [2021-11-23 00:44:14,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:44:14,469 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:44:14,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:14 WrapperNode [2021-11-23 00:44:14,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:44:14,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:44:14,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:44:14,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:44:14,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:14" (1/1) ... [2021-11-23 00:44:14,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:14" (1/1) ... [2021-11-23 00:44:14,503 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2021-11-23 00:44:14,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:44:14,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:44:14,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:44:14,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:44:14,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:14" (1/1) ... [2021-11-23 00:44:14,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:14" (1/1) ... [2021-11-23 00:44:14,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:14" (1/1) ... [2021-11-23 00:44:14,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:14" (1/1) ... [2021-11-23 00:44:14,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:14" (1/1) ... [2021-11-23 00:44:14,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:14" (1/1) ... [2021-11-23 00:44:14,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:14" (1/1) ... [2021-11-23 00:44:14,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:44:14,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:44:14,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:44:14,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:44:14,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:14" (1/1) ... [2021-11-23 00:44:14,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:44:14,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456029fa-b3e6-4f37-b2fe-71a2093169ae/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:44:14,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456029fa-b3e6-4f37-b2fe-71a2093169ae/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:44:14,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456029fa-b3e6-4f37-b2fe-71a2093169ae/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:44:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:44:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:44:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:44:14,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:44:14,700 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:44:14,702 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:44:14,849 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:44:14,873 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:44:14,873 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:44:14,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:44:14 BoogieIcfgContainer [2021-11-23 00:44:14,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:44:14,877 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:44:14,877 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:44:14,887 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:44:14,887 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:44:14" (1/1) ... [2021-11-23 00:44:14,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:44:14,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:14,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2021-11-23 00:44:14,957 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2021-11-23 00:44:14,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:44:14,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:14,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:15,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:15,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:15,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 10 states and 15 transitions. [2021-11-23 00:44:15,171 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 15 transitions. [2021-11-23 00:44:15,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:44:15,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:15,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:15,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:15,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 14 states and 27 transitions. [2021-11-23 00:44:15,743 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 27 transitions. [2021-11-23 00:44:15,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:44:15,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:15,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:15,843 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:16,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:16,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2021-11-23 00:44:16,001 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2021-11-23 00:44:16,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:44:16,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:16,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:16,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:16,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:16,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 18 states and 31 transitions. [2021-11-23 00:44:16,714 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 31 transitions. [2021-11-23 00:44:16,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:44:16,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:16,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:16,757 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:17,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:17,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2021-11-23 00:44:17,288 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2021-11-23 00:44:17,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:17,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:17,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:17,414 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:17,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:17,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2021-11-23 00:44:17,930 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2021-11-23 00:44:17,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:44:17,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:17,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:18,083 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:19,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:19,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2021-11-23 00:44:19,223 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2021-11-23 00:44:19,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:44:19,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:19,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:19,299 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:19,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 32 states and 59 transitions. [2021-11-23 00:44:19,845 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 59 transitions. [2021-11-23 00:44:19,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:44:19,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:19,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:19,966 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:20,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:20,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2021-11-23 00:44:20,477 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2021-11-23 00:44:20,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:44:20,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:20,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:20,521 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:21,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:21,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 36 states and 63 transitions. [2021-11-23 00:44:21,018 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 63 transitions. [2021-11-23 00:44:21,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:44:21,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:21,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:21,277 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:22,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:22,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2021-11-23 00:44:22,418 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2021-11-23 00:44:22,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:44:22,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:22,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:22,522 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:23,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:23,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 87 transitions. [2021-11-23 00:44:23,214 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 87 transitions. [2021-11-23 00:44:23,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:44:23,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:23,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:23,315 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:23,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:23,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 88 transitions. [2021-11-23 00:44:23,849 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 88 transitions. [2021-11-23 00:44:23,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:44:23,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:23,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:23,888 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:24,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:24,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 50 states and 91 transitions. [2021-11-23 00:44:24,426 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 91 transitions. [2021-11-23 00:44:24,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:44:24,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:24,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:24,467 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:25,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:25,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2021-11-23 00:44:25,092 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2021-11-23 00:44:25,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:44:25,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:25,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:25,362 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:26,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:26,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 109 transitions. [2021-11-23 00:44:26,941 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2021-11-23 00:44:26,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:44:26,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:26,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:27,069 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:27,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:27,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 61 states and 110 transitions. [2021-11-23 00:44:27,696 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 110 transitions. [2021-11-23 00:44:27,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:44:27,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:27,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:27,815 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 10 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:28,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:28,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 64 states and 120 transitions. [2021-11-23 00:44:28,724 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2021-11-23 00:44:28,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:44:28,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:28,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:28,800 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:29,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:29,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 67 states and 123 transitions. [2021-11-23 00:44:29,438 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 123 transitions. [2021-11-23 00:44:29,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:44:29,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:29,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:29,476 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 27 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:30,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:30,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 70 states and 126 transitions. [2021-11-23 00:44:30,151 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 126 transitions. [2021-11-23 00:44:30,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:44:30,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:30,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:30,191 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 27 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:30,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:30,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 73 states and 129 transitions. [2021-11-23 00:44:30,917 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 129 transitions. [2021-11-23 00:44:30,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:44:30,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:30,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:31,304 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:33,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:33,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 80 states and 145 transitions. [2021-11-23 00:44:33,313 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 145 transitions. [2021-11-23 00:44:33,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:44:33,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:33,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:33,379 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 41 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:34,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:34,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 83 states and 148 transitions. [2021-11-23 00:44:34,194 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 148 transitions. [2021-11-23 00:44:34,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:44:34,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:34,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:34,373 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:35,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:35,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 86 states and 158 transitions. [2021-11-23 00:44:35,588 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 158 transitions. [2021-11-23 00:44:35,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:44:35,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:35,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:35,626 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 41 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:36,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:36,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 89 states and 161 transitions. [2021-11-23 00:44:36,539 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 161 transitions. [2021-11-23 00:44:36,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:44:36,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:36,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:36,591 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 41 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:37,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:37,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 92 states and 164 transitions. [2021-11-23 00:44:37,373 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 164 transitions. [2021-11-23 00:44:37,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:44:37,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:37,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:37,415 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 41 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:38,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:38,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 95 states and 167 transitions. [2021-11-23 00:44:38,376 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 167 transitions. [2021-11-23 00:44:38,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:44:38,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:38,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:38,829 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:41,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:41,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 102 states and 184 transitions. [2021-11-23 00:44:41,291 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 184 transitions. [2021-11-23 00:44:41,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:44:41,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:41,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:41,333 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 58 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:42,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:42,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 105 states and 187 transitions. [2021-11-23 00:44:42,208 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 187 transitions. [2021-11-23 00:44:42,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:44:42,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:42,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:42,378 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 21 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:43,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:43,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 108 states and 197 transitions. [2021-11-23 00:44:43,753 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 197 transitions. [2021-11-23 00:44:43,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:44:43,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:43,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:43,793 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 58 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:44,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:44,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 111 states and 200 transitions. [2021-11-23 00:44:44,723 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 200 transitions. [2021-11-23 00:44:44,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:44:44,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:44,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:44,767 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 58 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:45,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:45,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 114 states and 203 transitions. [2021-11-23 00:44:45,716 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 203 transitions. [2021-11-23 00:44:45,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:44:45,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:45,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:45,759 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 58 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:46,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:46,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 117 states and 206 transitions. [2021-11-23 00:44:46,751 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 206 transitions. [2021-11-23 00:44:46,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:44:46,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:46,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:47,297 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 58 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:50,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:50,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 124 states and 224 transitions. [2021-11-23 00:44:50,151 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 224 transitions. [2021-11-23 00:44:50,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:44:50,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:50,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:50,192 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:51,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:51,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 127 states and 227 transitions. [2021-11-23 00:44:51,154 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 227 transitions. [2021-11-23 00:44:51,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:44:51,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:51,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:51,363 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 28 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:52,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 130 states and 237 transitions. [2021-11-23 00:44:52,983 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 237 transitions. [2021-11-23 00:44:52,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:44:52,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:52,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 78 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:54,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:54,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 133 states and 240 transitions. [2021-11-23 00:44:54,135 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 240 transitions. [2021-11-23 00:44:54,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:44:54,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:54,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 78 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:55,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 136 states and 243 transitions. [2021-11-23 00:44:55,332 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 243 transitions. [2021-11-23 00:44:55,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:44:55,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:55,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:55,377 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 78 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:56,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:56,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 139 states and 246 transitions. [2021-11-23 00:44:56,612 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 246 transitions. [2021-11-23 00:44:56,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:44:56,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:56,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:57,223 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 78 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:00,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:00,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 146 states and 265 transitions. [2021-11-23 00:45:00,395 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 265 transitions. [2021-11-23 00:45:00,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:45:00,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:00,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:00,443 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 101 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:01,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:01,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 149 states and 268 transitions. [2021-11-23 00:45:01,719 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 268 transitions. [2021-11-23 00:45:01,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:45:01,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:01,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:01,972 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 36 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:03,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:03,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 152 states and 278 transitions. [2021-11-23 00:45:03,936 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 278 transitions. [2021-11-23 00:45:03,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:45:03,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:03,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:03,980 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 101 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:05,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:05,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 155 states and 281 transitions. [2021-11-23 00:45:05,325 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 281 transitions. [2021-11-23 00:45:05,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:45:05,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:05,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:05,370 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 101 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:06,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:06,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 158 states and 284 transitions. [2021-11-23 00:45:06,549 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 284 transitions. [2021-11-23 00:45:06,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:45:06,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:06,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:06,595 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 101 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:07,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:07,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 161 states and 287 transitions. [2021-11-23 00:45:07,881 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 287 transitions. [2021-11-23 00:45:07,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:45:07,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:07,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:08,598 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 101 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:12,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:12,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 168 states and 307 transitions. [2021-11-23 00:45:12,136 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 307 transitions. [2021-11-23 00:45:12,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:45:12,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:12,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:12,182 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 127 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:13,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:13,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 171 states and 310 transitions. [2021-11-23 00:45:13,460 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 310 transitions. [2021-11-23 00:45:13,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:45:13,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:13,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:13,733 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 45 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:15,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:15,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 174 states and 320 transitions. [2021-11-23 00:45:15,776 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 320 transitions. [2021-11-23 00:45:15,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:45:15,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:15,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:15,824 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 127 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:17,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:17,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 177 states and 323 transitions. [2021-11-23 00:45:17,230 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 323 transitions. [2021-11-23 00:45:17,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:45:17,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:17,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:17,277 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 127 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:18,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 180 states and 326 transitions. [2021-11-23 00:45:18,804 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 326 transitions. [2021-11-23 00:45:18,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:45:18,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:18,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:18,853 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 127 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:20,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:20,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 183 states and 329 transitions. [2021-11-23 00:45:20,248 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 329 transitions. [2021-11-23 00:45:20,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:45:20,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:20,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:21,072 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 127 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:25,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:25,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 190 states and 350 transitions. [2021-11-23 00:45:25,055 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 350 transitions. [2021-11-23 00:45:25,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:45:25,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:25,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:25,107 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 156 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:26,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:26,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 193 states and 353 transitions. [2021-11-23 00:45:26,617 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 353 transitions. [2021-11-23 00:45:26,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:45:26,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:26,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:26,919 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 55 proven. 166 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:29,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:29,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 196 states and 363 transitions. [2021-11-23 00:45:29,291 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 363 transitions. [2021-11-23 00:45:29,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:45:29,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:29,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:29,342 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 156 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:30,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:30,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 199 states and 366 transitions. [2021-11-23 00:45:30,918 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 366 transitions. [2021-11-23 00:45:30,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:45:30,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:30,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:30,971 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 156 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:32,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:32,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 202 states and 369 transitions. [2021-11-23 00:45:32,771 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 369 transitions. [2021-11-23 00:45:32,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:45:32,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:32,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:32,825 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 156 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:34,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:34,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 205 states and 372 transitions. [2021-11-23 00:45:34,526 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 372 transitions. [2021-11-23 00:45:34,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:45:34,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:34,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:35,393 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 156 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:39,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:39,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 212 states and 394 transitions. [2021-11-23 00:45:39,834 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 394 transitions. [2021-11-23 00:45:39,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:45:39,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:39,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:39,886 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 188 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:41,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:41,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 215 states and 397 transitions. [2021-11-23 00:45:41,544 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 397 transitions. [2021-11-23 00:45:41,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:45:41,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:41,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:41,878 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 66 proven. 199 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:44,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:44,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 218 states and 407 transitions. [2021-11-23 00:45:44,309 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 407 transitions. [2021-11-23 00:45:44,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:45:44,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:44,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 188 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:46,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:46,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 221 states and 410 transitions. [2021-11-23 00:45:46,133 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 410 transitions. [2021-11-23 00:45:46,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:45:46,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:46,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:46,194 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 188 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:48,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:48,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 224 states and 413 transitions. [2021-11-23 00:45:48,055 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 413 transitions. [2021-11-23 00:45:48,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:45:48,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:48,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:48,111 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 188 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:49,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:49,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 227 states and 416 transitions. [2021-11-23 00:45:49,762 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 416 transitions. [2021-11-23 00:45:49,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:45:49,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:49,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:50,839 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 188 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:55,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:55,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 234 states and 439 transitions. [2021-11-23 00:45:55,683 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 439 transitions. [2021-11-23 00:45:55,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:45:55,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:55,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:55,737 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 223 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:57,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:57,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 237 states and 442 transitions. [2021-11-23 00:45:57,418 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 442 transitions. [2021-11-23 00:45:57,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:45:57,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:57,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:57,752 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 78 proven. 235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:00,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:00,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 240 states and 452 transitions. [2021-11-23 00:46:00,485 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 452 transitions. [2021-11-23 00:46:00,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:46:00,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:00,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 223 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:02,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:02,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 243 states and 455 transitions. [2021-11-23 00:46:02,310 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 455 transitions. [2021-11-23 00:46:02,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:46:02,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:02,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:02,371 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 223 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:04,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:04,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 246 states and 458 transitions. [2021-11-23 00:46:04,234 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 458 transitions. [2021-11-23 00:46:04,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:46:04,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:04,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:04,297 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 223 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:06,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:06,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 249 states and 461 transitions. [2021-11-23 00:46:06,230 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 461 transitions. [2021-11-23 00:46:06,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:46:06,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:06,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:07,276 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 223 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:12,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:12,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 256 states and 485 transitions. [2021-11-23 00:46:12,637 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 485 transitions. [2021-11-23 00:46:12,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:46:12,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:12,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:12,694 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 261 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:14,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 259 states and 488 transitions. [2021-11-23 00:46:14,468 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 488 transitions. [2021-11-23 00:46:14,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:46:14,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:14,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:14,872 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 91 proven. 274 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:17,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:17,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 262 states and 498 transitions. [2021-11-23 00:46:17,876 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 498 transitions. [2021-11-23 00:46:17,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:46:17,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:17,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:17,936 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 261 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:19,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:19,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 265 states and 501 transitions. [2021-11-23 00:46:19,867 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 501 transitions. [2021-11-23 00:46:19,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:46:19,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:19,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 261 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:21,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:21,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 268 states and 504 transitions. [2021-11-23 00:46:21,846 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 504 transitions. [2021-11-23 00:46:21,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:46:21,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:21,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:21,911 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 261 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:23,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:23,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 271 states and 507 transitions. [2021-11-23 00:46:23,940 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 507 transitions. [2021-11-23 00:46:23,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:46:23,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:23,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 261 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:30,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:30,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 278 states and 532 transitions. [2021-11-23 00:46:30,939 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 532 transitions. [2021-11-23 00:46:30,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:46:30,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:30,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:31,000 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 302 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:32,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:32,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 281 states and 535 transitions. [2021-11-23 00:46:32,941 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 535 transitions. [2021-11-23 00:46:32,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:46:32,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:32,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:33,380 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 105 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:36,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:36,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 284 states and 545 transitions. [2021-11-23 00:46:36,609 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 545 transitions. [2021-11-23 00:46:36,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:46:36,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:36,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:36,671 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 302 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:38,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:38,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 287 states and 548 transitions. [2021-11-23 00:46:38,752 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 548 transitions. [2021-11-23 00:46:38,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:46:38,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:38,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:38,819 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 302 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:40,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:40,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 290 states and 551 transitions. [2021-11-23 00:46:40,964 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 551 transitions. [2021-11-23 00:46:40,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:46:40,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:40,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:41,030 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 302 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:43,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:43,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 293 states and 554 transitions. [2021-11-23 00:46:43,376 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 554 transitions. [2021-11-23 00:46:43,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:46:43,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:43,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:44,677 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 302 proven. 163 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:50,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:50,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 300 states and 580 transitions. [2021-11-23 00:46:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 580 transitions. [2021-11-23 00:46:50,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:46:50,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:50,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 346 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:53,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:53,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 303 states and 583 transitions. [2021-11-23 00:46:53,306 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 583 transitions. [2021-11-23 00:46:53,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:46:53,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:53,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:53,686 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 120 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:57,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:57,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 306 states and 593 transitions. [2021-11-23 00:46:57,182 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 593 transitions. [2021-11-23 00:46:57,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:46:57,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:57,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:57,252 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 346 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:59,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:59,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 309 states and 596 transitions. [2021-11-23 00:46:59,999 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 596 transitions. [2021-11-23 00:46:59,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:46:59,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:59,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:00,073 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 346 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:02,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:02,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 312 states and 599 transitions. [2021-11-23 00:47:02,294 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 599 transitions. [2021-11-23 00:47:02,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:47:02,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:02,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:02,365 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 346 proven. 166 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:04,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:04,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 315 states and 602 transitions. [2021-11-23 00:47:04,751 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 602 transitions. [2021-11-23 00:47:04,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:47:04,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:04,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:06,041 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 346 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:12,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:12,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 322 states and 629 transitions. [2021-11-23 00:47:12,750 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 629 transitions. [2021-11-23 00:47:12,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:47:12,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:12,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 393 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:15,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:15,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 325 states and 632 transitions. [2021-11-23 00:47:15,229 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 632 transitions. [2021-11-23 00:47:15,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:47:15,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:15,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:15,629 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 136 proven. 409 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:19,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:19,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 328 states and 642 transitions. [2021-11-23 00:47:19,199 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 642 transitions. [2021-11-23 00:47:19,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:47:19,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:19,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:19,263 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 393 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:21,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:21,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 331 states and 645 transitions. [2021-11-23 00:47:21,784 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 645 transitions. [2021-11-23 00:47:21,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:47:21,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:21,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:21,861 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 393 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:24,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:24,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 334 states and 648 transitions. [2021-11-23 00:47:24,269 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 648 transitions. [2021-11-23 00:47:24,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 00:47:24,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:24,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:24,339 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 393 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:26,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:26,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 337 states and 651 transitions. [2021-11-23 00:47:26,895 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 651 transitions. [2021-11-23 00:47:26,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:47:26,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:26,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:28,421 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 393 proven. 202 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:35,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 344 states and 679 transitions. [2021-11-23 00:47:35,653 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 679 transitions. [2021-11-23 00:47:35,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:47:35,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:35,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:35,722 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 443 proven. 157 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:38,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 347 states and 682 transitions. [2021-11-23 00:47:38,115 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 682 transitions. [2021-11-23 00:47:38,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 00:47:38,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:38,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:38,591 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 153 proven. 460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:42,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:42,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 350 states and 692 transitions. [2021-11-23 00:47:42,579 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 692 transitions. [2021-11-23 00:47:42,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 00:47:42,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:42,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:42,642 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 443 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:45,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:45,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 353 states and 695 transitions. [2021-11-23 00:47:45,171 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 695 transitions. [2021-11-23 00:47:45,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 00:47:45,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:45,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:45,246 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 443 proven. 188 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:48,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:48,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 356 states and 698 transitions. [2021-11-23 00:47:48,014 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 698 transitions. [2021-11-23 00:47:48,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 00:47:48,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:48,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 443 proven. 205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:50,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:50,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 359 states and 701 transitions. [2021-11-23 00:47:50,625 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 701 transitions. [2021-11-23 00:47:50,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:47:50,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:50,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 443 proven. 223 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:00,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:00,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 366 states and 730 transitions. [2021-11-23 00:48:00,034 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 730 transitions. [2021-11-23 00:48:00,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:48:00,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:00,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:00,108 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 496 proven. 175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:02,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:02,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 369 states and 733 transitions. [2021-11-23 00:48:02,615 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 733 transitions. [2021-11-23 00:48:02,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 00:48:02,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:02,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:03,062 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 171 proven. 514 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:07,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:07,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 372 states and 743 transitions. [2021-11-23 00:48:07,282 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 743 transitions. [2021-11-23 00:48:07,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 00:48:07,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:07,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:07,348 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 496 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:10,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:10,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 375 states and 746 transitions. [2021-11-23 00:48:10,173 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 746 transitions. [2021-11-23 00:48:10,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:48:10,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:10,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:10,242 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 496 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:12,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:12,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 378 states and 749 transitions. [2021-11-23 00:48:12,926 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 749 transitions. [2021-11-23 00:48:12,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 00:48:12,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:12,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:13,002 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 496 proven. 226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:15,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:15,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 381 states and 752 transitions. [2021-11-23 00:48:15,873 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 752 transitions. [2021-11-23 00:48:15,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 00:48:15,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:15,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 496 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:25,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:25,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 388 states and 782 transitions. [2021-11-23 00:48:25,929 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 782 transitions. [2021-11-23 00:48:25,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 00:48:25,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:25,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:25,993 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 552 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:28,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:28,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 391 states and 785 transitions. [2021-11-23 00:48:28,874 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 785 transitions. [2021-11-23 00:48:28,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 00:48:28,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:28,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:29,482 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 190 proven. 571 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:33,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:33,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 394 states and 795 transitions. [2021-11-23 00:48:33,774 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 795 transitions. [2021-11-23 00:48:33,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 00:48:33,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:33,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:33,846 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 552 proven. 211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:36,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:36,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 397 states and 798 transitions. [2021-11-23 00:48:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 798 transitions. [2021-11-23 00:48:36,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 00:48:36,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:36,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:36,936 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 552 proven. 229 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:40,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:40,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 400 states and 801 transitions. [2021-11-23 00:48:40,007 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 801 transitions. [2021-11-23 00:48:40,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:48:40,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:40,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:40,100 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 552 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:42,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:42,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 403 states and 804 transitions. [2021-11-23 00:48:42,970 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 804 transitions. [2021-11-23 00:48:42,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 00:48:42,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:42,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:44,841 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 552 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:53,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:53,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 410 states and 835 transitions. [2021-11-23 00:48:53,622 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 835 transitions. [2021-11-23 00:48:53,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 00:48:53,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:53,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:53,824 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 611 proven. 214 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:56,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:56,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 413 states and 838 transitions. [2021-11-23 00:48:56,650 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 838 transitions. [2021-11-23 00:48:56,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 00:48:56,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:56,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 210 proven. 631 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:01,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:01,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 416 states and 848 transitions. [2021-11-23 00:49:01,906 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 848 transitions. [2021-11-23 00:49:01,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 00:49:01,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:01,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:02,002 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 611 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:05,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:05,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 419 states and 851 transitions. [2021-11-23 00:49:05,007 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 851 transitions. [2021-11-23 00:49:05,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 00:49:05,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:05,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:05,088 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 611 proven. 251 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:08,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:08,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 422 states and 854 transitions. [2021-11-23 00:49:08,270 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 854 transitions. [2021-11-23 00:49:08,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 00:49:08,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:08,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:08,352 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 611 proven. 271 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:11,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:11,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 425 states and 857 transitions. [2021-11-23 00:49:11,586 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 857 transitions. [2021-11-23 00:49:11,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 00:49:11,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:11,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:13,380 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 611 proven. 292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:22,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:22,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 432 states and 889 transitions. [2021-11-23 00:49:22,636 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 889 transitions. [2021-11-23 00:49:22,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 00:49:22,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:22,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:22,714 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 673 proven. 235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:25,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:25,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 435 states and 892 transitions. [2021-11-23 00:49:25,995 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 892 transitions. [2021-11-23 00:49:25,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 00:49:25,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:25,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:26,573 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 231 proven. 694 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:31,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:31,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 438 states and 902 transitions. [2021-11-23 00:49:31,688 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 902 transitions. [2021-11-23 00:49:31,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 00:49:31,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:31,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:31,766 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 673 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:35,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:35,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 441 states and 905 transitions. [2021-11-23 00:49:35,071 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 905 transitions. [2021-11-23 00:49:35,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 00:49:35,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:35,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:35,147 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 673 proven. 274 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:38,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:38,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 444 states and 908 transitions. [2021-11-23 00:49:38,328 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 908 transitions. [2021-11-23 00:49:38,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 00:49:38,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:38,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:38,403 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 673 proven. 295 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:41,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:41,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 447 states and 911 transitions. [2021-11-23 00:49:41,958 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 911 transitions. [2021-11-23 00:49:41,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 00:49:41,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:41,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:43,860 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 673 proven. 317 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:53,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:53,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 454 states and 944 transitions. [2021-11-23 00:49:53,672 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 944 transitions. [2021-11-23 00:49:53,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 00:49:53,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:53,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:53,754 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 738 proven. 257 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:57,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:57,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 457 states and 947 transitions. [2021-11-23 00:49:57,175 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 947 transitions. [2021-11-23 00:49:57,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 00:49:57,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:57,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:57,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 253 proven. 760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:02,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:02,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 460 states and 957 transitions. [2021-11-23 00:50:02,963 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 957 transitions. [2021-11-23 00:50:02,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 00:50:02,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:02,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:03,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 738 proven. 277 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:06,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:06,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 463 states and 960 transitions. [2021-11-23 00:50:06,499 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 960 transitions. [2021-11-23 00:50:06,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 00:50:06,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:06,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:06,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 738 proven. 298 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:09,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:09,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 466 states and 963 transitions. [2021-11-23 00:50:09,950 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 963 transitions. [2021-11-23 00:50:09,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 00:50:09,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:09,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:10,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 738 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:13,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:13,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 469 states and 966 transitions. [2021-11-23 00:50:13,558 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 966 transitions. [2021-11-23 00:50:13,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:50:13,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:13,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:15,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 738 proven. 343 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:25,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:25,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 476 states and 1000 transitions. [2021-11-23 00:50:25,765 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 1000 transitions. [2021-11-23 00:50:25,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:50:25,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:25,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:25,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1086 backedges. 806 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:29,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:29,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 479 states and 1003 transitions. [2021-11-23 00:50:29,379 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 1003 transitions. [2021-11-23 00:50:29,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 00:50:29,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:29,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:30,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 276 proven. 829 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:35,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:35,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 482 states and 1013 transitions. [2021-11-23 00:50:35,621 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 1013 transitions. [2021-11-23 00:50:35,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 00:50:35,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:35,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 806 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:39,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:39,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 485 states and 1016 transitions. [2021-11-23 00:50:39,287 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 1016 transitions. [2021-11-23 00:50:39,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 00:50:39,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:39,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:39,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 806 proven. 323 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:43,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:43,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 488 states and 1019 transitions. [2021-11-23 00:50:43,149 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 1019 transitions. [2021-11-23 00:50:43,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 00:50:43,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:43,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:43,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 806 proven. 346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:46,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 491 states and 1022 transitions. [2021-11-23 00:50:46,881 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 1022 transitions. [2021-11-23 00:50:46,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 00:50:46,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:46,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:48,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 806 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:59,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:59,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 498 states and 1057 transitions. [2021-11-23 00:50:59,609 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 1057 transitions. [2021-11-23 00:50:59,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 00:50:59,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:59,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:59,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 877 proven. 304 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:03,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:03,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 501 states and 1060 transitions. [2021-11-23 00:51:03,099 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 1060 transitions. [2021-11-23 00:51:03,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 00:51:03,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:03,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:03,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 300 proven. 901 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:09,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:09,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 504 states and 1070 transitions. [2021-11-23 00:51:09,551 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1070 transitions. [2021-11-23 00:51:09,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 00:51:09,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:09,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:09,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 877 proven. 326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:13,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:13,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 507 states and 1073 transitions. [2021-11-23 00:51:13,420 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 1073 transitions. [2021-11-23 00:51:13,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 00:51:13,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:13,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:13,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 877 proven. 349 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:17,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:17,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 510 states and 1076 transitions. [2021-11-23 00:51:17,272 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1076 transitions. [2021-11-23 00:51:17,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 00:51:17,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:17,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:17,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 877 proven. 373 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:21,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:21,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 513 states and 1079 transitions. [2021-11-23 00:51:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 1079 transitions. [2021-11-23 00:51:21,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 00:51:21,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:21,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:23,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 877 proven. 398 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:34,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:34,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 520 states and 1115 transitions. [2021-11-23 00:51:34,472 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 1115 transitions. [2021-11-23 00:51:34,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 00:51:34,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:34,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:34,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 951 proven. 329 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:38,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:38,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 523 states and 1118 transitions. [2021-11-23 00:51:38,127 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 1118 transitions. [2021-11-23 00:51:38,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 00:51:38,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:38,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:38,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 325 proven. 976 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:44,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:44,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 526 states and 1128 transitions. [2021-11-23 00:51:44,816 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1128 transitions. [2021-11-23 00:51:44,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 00:51:44,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:44,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:44,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 951 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:48,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:48,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 529 states and 1131 transitions. [2021-11-23 00:51:48,981 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 1131 transitions. [2021-11-23 00:51:48,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 00:51:48,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:48,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:49,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 951 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:53,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:53,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 532 states and 1134 transitions. [2021-11-23 00:51:53,048 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 1134 transitions. [2021-11-23 00:51:53,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 00:51:53,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:53,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:53,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 951 proven. 401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:57,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:57,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 535 states and 1137 transitions. [2021-11-23 00:51:57,075 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 1137 transitions. [2021-11-23 00:51:57,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 00:51:57,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:57,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:59,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 951 proven. 427 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:11,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:11,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 542 states and 1174 transitions. [2021-11-23 00:52:11,003 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 1174 transitions. [2021-11-23 00:52:11,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 00:52:11,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:11,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:11,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 1028 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:15,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:15,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 545 states and 1177 transitions. [2021-11-23 00:52:15,135 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 1177 transitions. [2021-11-23 00:52:15,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 00:52:15,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:15,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:15,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 351 proven. 1054 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:22,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:22,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 548 states and 1187 transitions. [2021-11-23 00:52:22,060 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1187 transitions. [2021-11-23 00:52:22,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 00:52:22,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:22,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 1028 proven. 379 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:26,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:26,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 551 states and 1190 transitions. [2021-11-23 00:52:26,324 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 1190 transitions. [2021-11-23 00:52:26,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-23 00:52:26,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:26,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:26,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 1028 proven. 404 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:30,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:30,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 554 states and 1193 transitions. [2021-11-23 00:52:30,527 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 1193 transitions. [2021-11-23 00:52:30,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:52:30,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:30,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:30,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 1028 proven. 430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:34,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:34,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 557 states and 1196 transitions. [2021-11-23 00:52:34,767 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 1196 transitions. [2021-11-23 00:52:34,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 00:52:34,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:34,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 1028 proven. 457 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:49,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:49,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 564 states and 1234 transitions. [2021-11-23 00:52:49,386 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1234 transitions. [2021-11-23 00:52:49,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 00:52:49,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:49,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:49,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 1108 proven. 382 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:53,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:53,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 567 states and 1237 transitions. [2021-11-23 00:52:53,482 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 1237 transitions. [2021-11-23 00:52:53,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 00:52:53,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:53,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:54,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1513 backedges. 378 proven. 1135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:00,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:00,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 570 states and 1247 transitions. [2021-11-23 00:53:00,773 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1247 transitions. [2021-11-23 00:53:00,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 00:53:00,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:00,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:00,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 1108 proven. 407 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:05,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:05,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 573 states and 1250 transitions. [2021-11-23 00:53:05,131 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1250 transitions. [2021-11-23 00:53:05,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:53:05,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:05,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:05,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 1108 proven. 433 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:09,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:09,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 576 states and 1253 transitions. [2021-11-23 00:53:09,678 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1253 transitions. [2021-11-23 00:53:09,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-23 00:53:09,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:09,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:09,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 1108 proven. 460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:14,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:14,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 579 states and 1256 transitions. [2021-11-23 00:53:14,065 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1256 transitions. [2021-11-23 00:53:14,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 00:53:14,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:14,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:16,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 1108 proven. 488 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:29,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:29,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 586 states and 1295 transitions. [2021-11-23 00:53:29,285 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1295 transitions. [2021-11-23 00:53:29,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 00:53:29,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:29,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:29,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1601 backedges. 1191 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:33,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:33,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 589 states and 1298 transitions. [2021-11-23 00:53:33,599 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1298 transitions. [2021-11-23 00:53:33,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 00:53:33,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:33,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:34,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1625 backedges. 406 proven. 1219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:41,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:41,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 592 states and 1308 transitions. [2021-11-23 00:53:41,181 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1308 transitions. [2021-11-23 00:53:41,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 00:53:41,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:41,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:41,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1627 backedges. 1191 proven. 436 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:45,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:45,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 595 states and 1311 transitions. [2021-11-23 00:53:45,863 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 1311 transitions. [2021-11-23 00:53:45,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 00:53:45,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:45,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:45,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 1191 proven. 463 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:50,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:50,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 598 states and 1314 transitions. [2021-11-23 00:53:50,391 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1314 transitions. [2021-11-23 00:53:50,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 00:53:50,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:50,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:50,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 1191 proven. 491 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:54,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:54,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 601 states and 1317 transitions. [2021-11-23 00:53:54,954 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1317 transitions. [2021-11-23 00:53:54,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 00:53:54,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:54,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:57,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 1191 proven. 520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:10,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:10,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 608 states and 1357 transitions. [2021-11-23 00:54:10,808 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1357 transitions. [2021-11-23 00:54:10,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 00:54:10,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:10,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:10,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1716 backedges. 1277 proven. 439 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:15,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:15,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 611 states and 1360 transitions. [2021-11-23 00:54:15,316 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1360 transitions. [2021-11-23 00:54:15,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-23 00:54:15,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:15,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:16,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1741 backedges. 435 proven. 1306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:23,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:23,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 614 states and 1370 transitions. [2021-11-23 00:54:23,363 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 1370 transitions. [2021-11-23 00:54:23,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-23 00:54:23,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:23,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:23,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 1277 proven. 466 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:28,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:28,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 617 states and 1373 transitions. [2021-11-23 00:54:28,298 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 1373 transitions. [2021-11-23 00:54:28,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 00:54:28,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:28,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:28,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 1277 proven. 494 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:33,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:33,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 620 states and 1376 transitions. [2021-11-23 00:54:33,271 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 1376 transitions. [2021-11-23 00:54:33,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 00:54:33,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:33,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:33,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 1277 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:38,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:38,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 623 states and 1379 transitions. [2021-11-23 00:54:38,146 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 1379 transitions. [2021-11-23 00:54:38,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 00:54:38,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:38,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:40,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 1277 proven. 553 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:55,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:55,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 630 states and 1420 transitions. [2021-11-23 00:54:55,077 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1420 transitions. [2021-11-23 00:54:55,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 00:54:55,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:55,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:55,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1835 backedges. 1366 proven. 469 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:00,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:00,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 633 states and 1423 transitions. [2021-11-23 00:55:00,063 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1423 transitions. [2021-11-23 00:55:00,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-23 00:55:00,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:00,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:00,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1861 backedges. 465 proven. 1396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:08,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:08,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 636 states and 1433 transitions. [2021-11-23 00:55:08,493 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1433 transitions. [2021-11-23 00:55:08,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-23 00:55:08,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:08,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:08,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 1366 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:13,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:13,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 639 states and 1436 transitions. [2021-11-23 00:55:13,680 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1436 transitions. [2021-11-23 00:55:13,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-23 00:55:13,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:13,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:13,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 1366 proven. 526 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:18,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:18,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 642 states and 1439 transitions. [2021-11-23 00:55:18,821 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1439 transitions. [2021-11-23 00:55:18,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 00:55:18,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:18,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:18,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 1366 proven. 556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.