./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c56332-35df-4f57-b84e-b3109b9184a8/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c56332-35df-4f57-b84e-b3109b9184a8/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_65c56332-35df-4f57-b84e-b3109b9184a8/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c56332-35df-4f57-b84e-b3109b9184a8/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c56332-35df-4f57-b84e-b3109b9184a8/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c56332-35df-4f57-b84e-b3109b9184a8/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15fe42cb945ebd9019cc38134c29264613097f232589ff55d01d33d66b19d85f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:30:22,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:30:22,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:30:22,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:30:22,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:30:22,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:30:22,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:30:22,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:30:22,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:30:22,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:30:22,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:30:22,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:30:22,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:30:22,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:30:22,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:30:22,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:30:22,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:30:22,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:30:22,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:30:22,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:30:22,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:30:22,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:30:22,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:30:22,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:30:22,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:30:22,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:30:22,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:30:22,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:30:22,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:30:22,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:30:22,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:30:22,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:30:22,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:30:22,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:30:22,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:30:22,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:30:22,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:30:22,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:30:22,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:30:22,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:30:22,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:30:22,909 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c56332-35df-4f57-b84e-b3109b9184a8/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:30:22,965 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:30:22,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:30:22,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:30:22,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:30:22,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:30:22,970 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:30:22,970 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:30:22,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:30:22,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:30:22,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:30:22,972 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:30:22,980 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:30:22,980 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:30:22,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:30:22,981 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:30:22,981 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:30:22,982 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:30:22,982 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:30:22,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:30:22,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:30:22,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:30:22,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:30:22,983 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:30:22,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:30:22,984 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_65c56332-35df-4f57-b84e-b3109b9184a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c56332-35df-4f57-b84e-b3109b9184a8/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15fe42cb945ebd9019cc38134c29264613097f232589ff55d01d33d66b19d85f [2021-11-23 01:30:23,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:30:23,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:30:23,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:30:23,349 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:30:23,350 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:30:23,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c56332-35df-4f57-b84e-b3109b9184a8/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i [2021-11-23 01:30:23,448 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c56332-35df-4f57-b84e-b3109b9184a8/bin/ukojak-LBtLqBUTdQ/data/6b2a506a2/96408cf180e24aee9b6286a84c010eba/FLAGd5e9ee180 [2021-11-23 01:30:24,180 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:30:24,181 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c56332-35df-4f57-b84e-b3109b9184a8/sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i [2021-11-23 01:30:24,197 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c56332-35df-4f57-b84e-b3109b9184a8/bin/ukojak-LBtLqBUTdQ/data/6b2a506a2/96408cf180e24aee9b6286a84c010eba/FLAGd5e9ee180 [2021-11-23 01:30:24,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c56332-35df-4f57-b84e-b3109b9184a8/bin/ukojak-LBtLqBUTdQ/data/6b2a506a2/96408cf180e24aee9b6286a84c010eba [2021-11-23 01:30:24,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:30:24,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:30:24,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:30:24,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:30:24,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:30:24,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:30:24" (1/1) ... [2021-11-23 01:30:24,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2730c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:24, skipping insertion in model container [2021-11-23 01:30:24,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:30:24" (1/1) ... [2021-11-23 01:30:24,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:30:24,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:30:24,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:30:24,983 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:30:25,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:30:25,085 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:30:25,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:25 WrapperNode [2021-11-23 01:30:25,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:30:25,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:30:25,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:30:25,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:30:25,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:25" (1/1) ... [2021-11-23 01:30:25,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:25" (1/1) ... [2021-11-23 01:30:25,178 INFO L137 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2021-11-23 01:30:25,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:30:25,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:30:25,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:30:25,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:30:25,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:25" (1/1) ... [2021-11-23 01:30:25,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:25" (1/1) ... [2021-11-23 01:30:25,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:25" (1/1) ... [2021-11-23 01:30:25,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:25" (1/1) ... [2021-11-23 01:30:25,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:25" (1/1) ... [2021-11-23 01:30:25,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:25" (1/1) ... [2021-11-23 01:30:25,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:25" (1/1) ... [2021-11-23 01:30:25,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:30:25,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:30:25,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:30:25,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:30:25,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:25" (1/1) ... [2021-11-23 01:30:25,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:30:25,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c56332-35df-4f57-b84e-b3109b9184a8/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:30:25,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c56332-35df-4f57-b84e-b3109b9184a8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:30:25,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c56332-35df-4f57-b84e-b3109b9184a8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:30:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:30:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:30:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:30:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:30:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:30:25,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:30:25,518 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:30:25,534 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:30:25,820 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:30:25,904 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:30:25,904 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:30:25,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:30:25 BoogieIcfgContainer [2021-11-23 01:30:25,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:30:25,908 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:30:25,909 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:30:25,922 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:30:25,922 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:30:25" (1/1) ... [2021-11-23 01:30:25,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:30:26,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:26,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2021-11-23 01:30:26,018 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2021-11-23 01:30:26,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:30:26,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:26,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:26,227 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 01:30:26,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:26,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2021-11-23 01:30:26,286 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2021-11-23 01:30:26,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:30:26,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:26,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:26,452 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 01:30:26,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:26,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2021-11-23 01:30:26,689 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2021-11-23 01:30:26,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:30:26,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:26,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:26,720 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 01:30:26,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:26,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2021-11-23 01:30:26,745 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2021-11-23 01:30:26,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:30:26,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:26,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:26,835 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 01:30:27,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:27,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2021-11-23 01:30:27,155 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2021-11-23 01:30:27,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:30:27,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:27,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:27,198 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 01:30:27,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:27,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2021-11-23 01:30:27,526 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2021-11-23 01:30:27,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:30:27,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:27,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:27,671 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 01:30:28,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:28,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2021-11-23 01:30:28,368 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2021-11-23 01:30:28,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:30:28,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:28,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:28,389 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 01:30:28,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:28,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2021-11-23 01:30:28,409 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2021-11-23 01:30:28,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:30:28,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:28,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:28,512 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 01:30:29,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:29,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2021-11-23 01:30:29,501 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2021-11-23 01:30:29,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:30:29,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:29,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:29,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:30,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:30,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 56 states and 89 transitions. [2021-11-23 01:30:30,362 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 89 transitions. [2021-11-23 01:30:30,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:30:30,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:30,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:30,432 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 01:30:30,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:30,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 57 states and 91 transitions. [2021-11-23 01:30:30,679 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 91 transitions. [2021-11-23 01:30:30,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:30:30,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:30,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:30,860 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 01:30:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:31,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 96 transitions. [2021-11-23 01:30:31,439 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2021-11-23 01:30:31,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:30:31,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:31,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:31,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:31,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:31,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 60 states and 96 transitions. [2021-11-23 01:30:31,755 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 96 transitions. [2021-11-23 01:30:31,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:30:31,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:31,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:30:32,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:32,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 61 states and 96 transitions. [2021-11-23 01:30:32,054 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 96 transitions. [2021-11-23 01:30:32,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:30:32,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:32,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:32,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:33,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:33,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 64 states and 107 transitions. [2021-11-23 01:30:33,169 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 107 transitions. [2021-11-23 01:30:33,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:30:33,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:33,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:33,393 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 01:30:33,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:33,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 65 states and 112 transitions. [2021-11-23 01:30:33,845 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 112 transitions. [2021-11-23 01:30:33,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:30:33,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:33,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:33,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:30:34,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:34,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 66 states and 116 transitions. [2021-11-23 01:30:34,428 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 116 transitions. [2021-11-23 01:30:34,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:30:34,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:34,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:30:35,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:35,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 67 states and 119 transitions. [2021-11-23 01:30:35,076 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 119 transitions. [2021-11-23 01:30:35,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:30:35,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:35,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:35,271 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 01:30:35,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:35,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 68 states and 121 transitions. [2021-11-23 01:30:35,726 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 121 transitions. [2021-11-23 01:30:35,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:30:35,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:35,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:35,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:30:36,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:36,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 69 states and 124 transitions. [2021-11-23 01:30:36,453 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 124 transitions. [2021-11-23 01:30:36,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:30:36,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:36,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:36,660 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:37,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:37,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 64 states and 106 transitions. [2021-11-23 01:30:37,099 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 106 transitions. [2021-11-23 01:30:37,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:30:37,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:37,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:37,124 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 01:30:37,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:37,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 63 states and 105 transitions. [2021-11-23 01:30:37,136 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 105 transitions. [2021-11-23 01:30:37,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:30:37,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:37,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:37,279 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 01:30:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:37,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 65 states and 108 transitions. [2021-11-23 01:30:37,399 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 108 transitions. [2021-11-23 01:30:37,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:30:37,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:37,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:37,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:30:37,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:37,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 66 states and 108 transitions. [2021-11-23 01:30:37,752 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 108 transitions. [2021-11-23 01:30:37,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:30:37,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:37,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:37,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:30:38,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:38,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 67 states and 108 transitions. [2021-11-23 01:30:38,198 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 108 transitions. [2021-11-23 01:30:38,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:30:38,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:38,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:38,457 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:39,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:39,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 68 states and 108 transitions. [2021-11-23 01:30:39,076 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 108 transitions. [2021-11-23 01:30:39,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:30:39,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:39,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:39,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:30:39,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:39,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 69 states and 110 transitions. [2021-11-23 01:30:39,526 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 110 transitions. [2021-11-23 01:30:39,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:30:39,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:39,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:39,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:30:39,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:39,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2021-11-23 01:30:39,952 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2021-11-23 01:30:39,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:30:39,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:39,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:40,210 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 01:30:41,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:41,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2021-11-23 01:30:41,199 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2021-11-23 01:30:41,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:30:41,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:41,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:41,456 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 01:30:42,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:42,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 51 states and 74 transitions. [2021-11-23 01:30:42,782 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2021-11-23 01:30:42,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:30:42,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:42,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:42,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:30:43,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:43,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2021-11-23 01:30:43,283 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2021-11-23 01:30:43,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:30:43,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:43,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:43,635 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 01:30:46,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:46,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 54 states and 81 transitions. [2021-11-23 01:30:46,313 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions. [2021-11-23 01:30:46,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:30:46,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:46,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:46,334 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 01:30:46,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:46,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2021-11-23 01:30:46,349 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2021-11-23 01:30:46,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:30:46,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:46,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:46,937 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 01:30:47,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:47,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 55 states and 83 transitions. [2021-11-23 01:30:47,317 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2021-11-23 01:30:47,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:30:47,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:47,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:47,334 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 01:30:47,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:47,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 54 states and 81 transitions. [2021-11-23 01:30:47,354 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions. [2021-11-23 01:30:47,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:30:47,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:47,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:47,515 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 01:30:47,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:47,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 56 states and 84 transitions. [2021-11-23 01:30:47,538 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 84 transitions. [2021-11-23 01:30:47,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:30:47,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:47,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:47,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:48,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:48,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 85 transitions. [2021-11-23 01:30:48,439 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2021-11-23 01:30:48,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:30:48,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:48,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:48,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:30:49,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:49,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2021-11-23 01:30:49,562 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2021-11-23 01:30:49,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:30:49,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:49,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:49,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:30:50,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:50,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 60 states and 90 transitions. [2021-11-23 01:30:50,979 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 90 transitions. [2021-11-23 01:30:50,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:30:50,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:50,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:30:56,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:56,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 65 states and 99 transitions. [2021-11-23 01:30:56,719 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 99 transitions. [2021-11-23 01:30:56,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:30:56,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:56,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:56,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:30:57,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:57,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 66 states and 99 transitions. [2021-11-23 01:30:57,448 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 99 transitions. [2021-11-23 01:30:57,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:30:57,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:57,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:57,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:30:58,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:58,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2021-11-23 01:30:58,189 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2021-11-23 01:30:58,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:30:58,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:58,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:58,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:05,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:05,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 69 states and 108 transitions. [2021-11-23 01:31:05,161 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2021-11-23 01:31:05,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:31:05,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:05,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:06,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:31:10,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:10,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 74 states and 116 transitions. [2021-11-23 01:31:10,472 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 116 transitions. [2021-11-23 01:31:10,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:31:10,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:10,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:10,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:31:12,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:12,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 79 states and 128 transitions. [2021-11-23 01:31:12,621 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2021-11-23 01:31:12,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:31:12,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:12,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:13,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:31:15,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:15,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 81 states and 131 transitions. [2021-11-23 01:31:15,832 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 131 transitions. [2021-11-23 01:31:15,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:31:15,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:15,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:15,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:31:17,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:17,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 83 states and 133 transitions. [2021-11-23 01:31:17,439 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 133 transitions. [2021-11-23 01:31:17,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:31:17,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:17,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:18,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:30,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:30,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 92 states and 150 transitions. [2021-11-23 01:31:30,138 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 150 transitions. [2021-11-23 01:31:30,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:31:30,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:30,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:31,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:31:39,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:39,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 98 states and 161 transitions. [2021-11-23 01:31:39,288 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 161 transitions. [2021-11-23 01:31:39,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:31:39,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:39,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:39,361 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:31:40,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:40,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 99 states and 161 transitions. [2021-11-23 01:31:40,643 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 161 transitions. [2021-11-23 01:31:40,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:31:40,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:40,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:41,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:31:41,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:41,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 98 states and 160 transitions. [2021-11-23 01:31:41,763 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 160 transitions. [2021-11-23 01:31:41,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:31:41,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:41,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:41,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:31:46,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:46,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 103 states and 168 transitions. [2021-11-23 01:31:46,600 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 168 transitions. [2021-11-23 01:31:46,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:31:46,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:46,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:46,703 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:31:54,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:54,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 111 states and 184 transitions. [2021-11-23 01:31:54,779 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 184 transitions. [2021-11-23 01:31:54,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:31:54,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:54,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:54,799 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:32:03,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:03,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 119 states and 199 transitions. [2021-11-23 01:32:03,448 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 199 transitions. [2021-11-23 01:32:03,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:32:03,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:03,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:03,470 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:32:03,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:03,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 120 states and 200 transitions. [2021-11-23 01:32:03,489 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 200 transitions. [2021-11-23 01:32:03,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:32:03,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:03,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:03,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:32:03,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:03,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 121 states and 201 transitions. [2021-11-23 01:32:03,577 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 201 transitions. [2021-11-23 01:32:03,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:32:03,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:03,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:04,013 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:32:04,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:04,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 120 states and 200 transitions. [2021-11-23 01:32:04,811 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 200 transitions. [2021-11-23 01:32:04,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:32:04,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:04,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:04,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:32:08,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:08,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 123 states and 205 transitions. [2021-11-23 01:32:08,822 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 205 transitions. [2021-11-23 01:32:08,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:32:08,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:08,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:08,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:32:16,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:16,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 131 states and 219 transitions. [2021-11-23 01:32:16,087 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 219 transitions. [2021-11-23 01:32:16,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:32:16,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:16,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:16,106 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:32:16,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:16,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 121 states and 195 transitions. [2021-11-23 01:32:16,561 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 195 transitions. [2021-11-23 01:32:16,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:32:16,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:16,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:16,579 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:32:17,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:17,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 122 states and 196 transitions. [2021-11-23 01:32:17,422 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 196 transitions. [2021-11-23 01:32:17,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:32:17,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:17,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:17,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:32:24,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:24,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 129 states and 212 transitions. [2021-11-23 01:32:24,287 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 212 transitions. [2021-11-23 01:32:24,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:32:24,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:24,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:26,800 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:32:43,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 141 states and 241 transitions. [2021-11-23 01:32:43,111 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 241 transitions. [2021-11-23 01:32:43,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:32:43,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:43,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:43,158 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:32:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:47,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 142 states and 245 transitions. [2021-11-23 01:32:47,081 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 245 transitions. [2021-11-23 01:32:47,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:32:47,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:47,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:47,128 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:32:50,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:50,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 143 states and 247 transitions. [2021-11-23 01:32:50,966 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 247 transitions. [2021-11-23 01:32:50,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:32:50,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:50,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:50,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:32:55,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:55,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 145 states and 250 transitions. [2021-11-23 01:32:55,842 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 250 transitions. [2021-11-23 01:32:55,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:32:55,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:55,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:55,868 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:33:02,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:02,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 152 states and 269 transitions. [2021-11-23 01:33:02,530 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 269 transitions. [2021-11-23 01:33:02,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:33:02,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:02,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:02,577 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:33:04,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:04,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 153 states and 272 transitions. [2021-11-23 01:33:04,213 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 272 transitions. [2021-11-23 01:33:04,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:33:04,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:04,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:04,257 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:33:09,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:09,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 158 states and 279 transitions. [2021-11-23 01:33:09,931 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 279 transitions. [2021-11-23 01:33:09,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:33:09,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:09,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:11,132 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:33:23,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:23,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 164 states and 295 transitions. [2021-11-23 01:33:23,200 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 295 transitions. [2021-11-23 01:33:23,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:33:23,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:23,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:23,227 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:33:31,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:31,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 171 states and 309 transitions. [2021-11-23 01:33:31,396 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 309 transitions. [2021-11-23 01:33:31,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:33:31,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:31,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:33,754 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:33:51,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:51,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 182 states and 345 transitions. [2021-11-23 01:33:51,573 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 345 transitions. [2021-11-23 01:33:51,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:33:51,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:51,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:51,623 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:33:56,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:56,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 183 states and 349 transitions. [2021-11-23 01:33:56,192 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 349 transitions. [2021-11-23 01:33:56,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:33:56,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:56,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:34:02,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:02,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 184 states and 352 transitions. [2021-11-23 01:34:02,619 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 352 transitions. [2021-11-23 01:34:02,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:34:02,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:02,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:06,900 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:42,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:42,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 198 states and 380 transitions. [2021-11-23 01:34:42,262 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 380 transitions. [2021-11-23 01:34:42,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:34:42,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:42,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:42,293 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:34:44,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:44,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 199 states and 385 transitions. [2021-11-23 01:34:44,367 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 385 transitions. [2021-11-23 01:34:44,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:34:44,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:44,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:44,418 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:34:49,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:49,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 202 states and 391 transitions. [2021-11-23 01:34:49,272 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 391 transitions. [2021-11-23 01:34:49,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:34:49,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:49,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:49,311 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:34:54,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:54,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 204 states and 394 transitions. [2021-11-23 01:34:54,247 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 394 transitions. [2021-11-23 01:34:54,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:34:54,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:54,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:54,302 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:34:56,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:56,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 205 states and 396 transitions. [2021-11-23 01:34:56,336 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 396 transitions. [2021-11-23 01:34:56,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:34:56,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:56,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:56,361 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:35:04,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 210 states and 406 transitions. [2021-11-23 01:35:04,948 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 406 transitions. [2021-11-23 01:35:04,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:35:04,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:04,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:35:14,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:14,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 215 states and 420 transitions. [2021-11-23 01:35:14,706 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 420 transitions. [2021-11-23 01:35:14,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:35:14,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:14,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:14,744 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:35:21,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:21,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 215 states and 419 transitions. [2021-11-23 01:35:21,391 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 419 transitions. [2021-11-23 01:35:21,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:35:21,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:21,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:21,415 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:35:22,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:22,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 216 states and 421 transitions. [2021-11-23 01:35:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 421 transitions. [2021-11-23 01:35:22,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:35:22,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:22,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:22,932 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:35:24,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:24,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 217 states and 422 transitions. [2021-11-23 01:35:24,789 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 422 transitions. [2021-11-23 01:35:24,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:35:24,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:24,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:24,823 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:35:33,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:33,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 222 states and 434 transitions. [2021-11-23 01:35:33,982 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 434 transitions. [2021-11-23 01:35:33,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:35:33,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:33,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:34,051 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:35:45,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:45,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 228 states and 449 transitions. [2021-11-23 01:35:45,059 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 449 transitions. [2021-11-23 01:35:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:35:45,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:45,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:45,858 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:36:00,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:00,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 238 states and 479 transitions. [2021-11-23 01:36:00,657 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 479 transitions. [2021-11-23 01:36:00,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:36:00,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:00,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:03,578 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:36:31,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:31,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 247 states and 494 transitions. [2021-11-23 01:36:31,734 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 494 transitions. [2021-11-23 01:36:31,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:36:31,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:31,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:31,781 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:36:44,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:44,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 253 states and 513 transitions. [2021-11-23 01:36:44,589 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 513 transitions. [2021-11-23 01:36:44,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:36:44,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:44,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:49,026 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:44,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:44,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 269 states and 552 transitions. [2021-11-23 01:37:44,055 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 552 transitions. [2021-11-23 01:37:44,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:37:44,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:44,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:44,105 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:46,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:46,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 271 states and 555 transitions. [2021-11-23 01:37:46,776 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 555 transitions. [2021-11-23 01:37:46,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:37:46,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:46,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:48,697 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:37:55,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:55,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 272 states and 559 transitions. [2021-11-23 01:37:55,987 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 559 transitions. [2021-11-23 01:37:55,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:37:55,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:55,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:56,021 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:38:06,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:06,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 276 states and 566 transitions. [2021-11-23 01:38:06,547 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 566 transitions. [2021-11-23 01:38:06,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:38:06,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:06,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:17,188 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:19,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 293 states and 621 transitions. [2021-11-23 01:39:19,418 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 621 transitions. [2021-11-23 01:39:19,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:39:19,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:19,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:19,481 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:39:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:28,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 296 states and 631 transitions. [2021-11-23 01:39:28,783 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 631 transitions. [2021-11-23 01:39:28,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:39:28,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:28,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:28,813 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:39:38,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:38,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 299 states and 639 transitions. [2021-11-23 01:39:38,340 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 639 transitions. [2021-11-23 01:39:38,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:39:38,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:38,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:38,523 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:39:55,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:55,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 305 states and 651 transitions. [2021-11-23 01:39:55,223 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 651 transitions. [2021-11-23 01:39:55,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:39:55,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:55,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:55,266 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:39:59,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:59,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 307 states and 652 transitions. [2021-11-23 01:39:59,956 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 652 transitions. [2021-11-23 01:39:59,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:39:59,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:59,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:59,987 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:40:04,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:04,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 309 states and 653 transitions. [2021-11-23 01:40:04,788 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 653 transitions. [2021-11-23 01:40:04,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:40:04,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:04,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:04,938 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:40:23,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 315 states and 671 transitions. [2021-11-23 01:40:23,155 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 671 transitions. [2021-11-23 01:40:23,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:40:23,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:23,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:40:41,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:41,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 319 states and 680 transitions. [2021-11-23 01:40:41,874 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 680 transitions. [2021-11-23 01:40:41,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:40:41,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:41,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:41,900 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:40:44,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:44,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 320 states and 683 transitions. [2021-11-23 01:40:44,959 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 683 transitions. [2021-11-23 01:40:44,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:40:44,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:44,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:44,982 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:40:53,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:53,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 323 states and 688 transitions. [2021-11-23 01:40:53,344 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 688 transitions. [2021-11-23 01:40:53,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:40:53,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:53,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:53,393 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:40:56,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:56,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 324 states and 689 transitions. [2021-11-23 01:40:56,216 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 689 transitions. [2021-11-23 01:40:56,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:40:56,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:56,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:56,267 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:41:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 326 states and 693 transitions. [2021-11-23 01:41:02,135 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 693 transitions. [2021-11-23 01:41:02,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:41:02,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:02,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:02,157 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:41:07,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:07,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 328 states and 694 transitions. [2021-11-23 01:41:07,372 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 694 transitions. [2021-11-23 01:41:07,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:41:07,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:07,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:07,438 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:41:11,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:11,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 329 states and 697 transitions. [2021-11-23 01:41:11,036 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 697 transitions. [2021-11-23 01:41:11,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:41:11,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:11,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:11,160 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:41:28,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:28,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 334 states and 704 transitions. [2021-11-23 01:41:28,505 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 704 transitions. [2021-11-23 01:41:28,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:41:28,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:28,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:02,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:02,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 339 states and 711 transitions. [2021-11-23 01:42:02,150 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 711 transitions. [2021-11-23 01:42:02,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:42:02,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:02,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:02,203 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.