./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext/tree_dsw.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_8a5576d7-018e-4907-a012-8e5da7417564/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5576d7-018e-4907-a012-8e5da7417564/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_8a5576d7-018e-4907-a012-8e5da7417564/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5576d7-018e-4907-a012-8e5da7417564/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/tree_dsw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5576d7-018e-4907-a012-8e5da7417564/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_8a5576d7-018e-4907-a012-8e5da7417564/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 6527731a1486e677feb1440c4f57330edff23abded92b5eda1225729ba969b33 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:02:22,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:02:22,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:02:23,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:02:23,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:02:23,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:02:23,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:02:23,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:02:23,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:02:23,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:02:23,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:02:23,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:02:23,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:02:23,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:02:23,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:02:23,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:02:23,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:02:23,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:02:23,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:02:23,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:02:23,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:02:23,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:02:23,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:02:23,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:02:23,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:02:23,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:02:23,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:02:23,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:02:23,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:02:23,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:02:23,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:02:23,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:02:23,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:02:23,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:02:23,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:02:23,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:02:23,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:02:23,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:02:23,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:02:23,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:02:23,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:02:23,100 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5576d7-018e-4907-a012-8e5da7417564/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:02:23,143 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:02:23,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:02:23,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:02:23,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:02:23,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:02:23,147 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:02:23,147 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:02:23,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:02:23,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:02:23,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:02:23,155 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:02:23,155 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:02:23,155 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:02:23,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:02:23,156 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:02:23,156 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:02:23,156 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:02:23,157 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:02:23,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:02:23,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:02:23,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:02:23,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:02:23,158 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:02:23,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:02:23,158 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_8a5576d7-018e-4907-a012-8e5da7417564/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5576d7-018e-4907-a012-8e5da7417564/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6527731a1486e677feb1440c4f57330edff23abded92b5eda1225729ba969b33 [2021-11-23 01:02:23,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:02:23,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:02:23,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:02:23,463 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:02:23,464 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:02:23,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5576d7-018e-4907-a012-8e5da7417564/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/memsafety-ext/tree_dsw.i [2021-11-23 01:02:23,555 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5576d7-018e-4907-a012-8e5da7417564/bin/ukojak-LBtLqBUTdQ/data/d850949b0/0faaa7ded5aa4fd981fddc9f62ce82a2/FLAG1ba331214 [2021-11-23 01:02:24,095 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:02:24,101 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5576d7-018e-4907-a012-8e5da7417564/sv-benchmarks/c/memsafety-ext/tree_dsw.i [2021-11-23 01:02:24,118 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5576d7-018e-4907-a012-8e5da7417564/bin/ukojak-LBtLqBUTdQ/data/d850949b0/0faaa7ded5aa4fd981fddc9f62ce82a2/FLAG1ba331214 [2021-11-23 01:02:24,376 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5576d7-018e-4907-a012-8e5da7417564/bin/ukojak-LBtLqBUTdQ/data/d850949b0/0faaa7ded5aa4fd981fddc9f62ce82a2 [2021-11-23 01:02:24,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:02:24,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:02:24,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:02:24,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:02:24,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:02:24,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:02:24" (1/1) ... [2021-11-23 01:02:24,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c298755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:24, skipping insertion in model container [2021-11-23 01:02:24,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:02:24" (1/1) ... [2021-11-23 01:02:24,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:02:24,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:02:24,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:02:24,791 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:02:24,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:02:24,887 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:02:24,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:24 WrapperNode [2021-11-23 01:02:24,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:02:24,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:02:24,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:02:24,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:02:24,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:24" (1/1) ... [2021-11-23 01:02:24,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:24" (1/1) ... [2021-11-23 01:02:24,963 INFO L137 Inliner]: procedures = 124, calls = 52, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 168 [2021-11-23 01:02:24,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:02:24,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:02:24,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:02:24,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:02:24,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:24" (1/1) ... [2021-11-23 01:02:24,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:24" (1/1) ... [2021-11-23 01:02:24,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:24" (1/1) ... [2021-11-23 01:02:24,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:24" (1/1) ... [2021-11-23 01:02:24,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:24" (1/1) ... [2021-11-23 01:02:24,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:24" (1/1) ... [2021-11-23 01:02:24,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:24" (1/1) ... [2021-11-23 01:02:25,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:02:25,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:02:25,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:02:25,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:02:25,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:24" (1/1) ... [2021-11-23 01:02:25,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:02:25,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5576d7-018e-4907-a012-8e5da7417564/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:02:25,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5576d7-018e-4907-a012-8e5da7417564/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:02:25,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5576d7-018e-4907-a012-8e5da7417564/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:02:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:02:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:02:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:02:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:02:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:02:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:02:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:02:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:02:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:02:25,196 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:02:25,211 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:02:25,775 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:02:25,857 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:02:25,857 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:02:25,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:02:25 BoogieIcfgContainer [2021-11-23 01:02:25,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:02:25,860 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:02:25,861 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:02:25,869 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:02:25,870 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:02:25" (1/1) ... [2021-11-23 01:02:25,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:02:25,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:25,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 135 states and 147 transitions. [2021-11-23 01:02:25,942 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 147 transitions. [2021-11-23 01:02:25,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 01:02:25,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:25,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:26,081 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 01:02:26,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:26,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 134 states and 146 transitions. [2021-11-23 01:02:26,121 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 146 transitions. [2021-11-23 01:02:26,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 01:02:26,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:26,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:26,195 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 01:02:26,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:26,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 133 states and 145 transitions. [2021-11-23 01:02:26,284 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 145 transitions. [2021-11-23 01:02:26,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:02:26,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:26,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:26,310 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 01:02:26,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:26,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 132 states and 144 transitions. [2021-11-23 01:02:26,323 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 144 transitions. [2021-11-23 01:02:26,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:02:26,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:26,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:26,355 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 01:02:26,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:26,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 131 states and 143 transitions. [2021-11-23 01:02:26,368 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 143 transitions. [2021-11-23 01:02:26,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:02:26,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:26,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:26,412 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 01:02:26,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:26,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 134 states and 149 transitions. [2021-11-23 01:02:26,448 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 149 transitions. [2021-11-23 01:02:26,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:02:26,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:26,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:26,512 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 01:02:26,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:26,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 137 states and 157 transitions. [2021-11-23 01:02:26,636 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2021-11-23 01:02:26,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:02:26,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:26,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:26,732 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 01:02:26,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:26,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 140 states and 163 transitions. [2021-11-23 01:02:26,766 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 163 transitions. [2021-11-23 01:02:26,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:02:26,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:26,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:26,870 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 01:02:26,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:26,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 143 states and 169 transitions. [2021-11-23 01:02:26,932 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 169 transitions. [2021-11-23 01:02:26,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:02:26,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:26,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:27,103 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 01:02:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:27,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 147 states and 178 transitions. [2021-11-23 01:02:27,557 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 178 transitions. [2021-11-23 01:02:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:02:27,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:27,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:27,662 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 01:02:27,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:27,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 149 states and 184 transitions. [2021-11-23 01:02:27,939 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 184 transitions. [2021-11-23 01:02:27,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:02:27,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:27,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:27,968 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 01:02:27,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:27,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 148 states and 183 transitions. [2021-11-23 01:02:27,984 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 183 transitions. [2021-11-23 01:02:27,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:02:27,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:27,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:28,158 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 01:02:28,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:28,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 149 states and 184 transitions. [2021-11-23 01:02:28,289 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 184 transitions. [2021-11-23 01:02:28,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:02:28,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:28,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:28,306 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 01:02:28,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:28,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 148 states and 183 transitions. [2021-11-23 01:02:28,438 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 183 transitions. [2021-11-23 01:02:28,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:02:28,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:28,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:28,501 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 01:02:28,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:28,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 150 states and 186 transitions. [2021-11-23 01:02:28,892 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 186 transitions. [2021-11-23 01:02:28,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:02:28,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:28,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:28,981 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 01:02:29,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:29,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 151 states and 188 transitions. [2021-11-23 01:02:29,247 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 188 transitions. [2021-11-23 01:02:29,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:02:29,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:29,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:29,272 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 01:02:29,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:29,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 150 states and 187 transitions. [2021-11-23 01:02:29,284 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 187 transitions. [2021-11-23 01:02:29,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:02:29,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:29,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:29,313 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 01:02:29,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:29,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 151 states and 188 transitions. [2021-11-23 01:02:29,326 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 188 transitions. [2021-11-23 01:02:29,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:02:29,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:29,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:29,385 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 01:02:29,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:29,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 152 states and 189 transitions. [2021-11-23 01:02:29,475 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 189 transitions. [2021-11-23 01:02:29,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:02:29,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:29,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:29,490 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 01:02:29,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:29,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 151 states and 188 transitions. [2021-11-23 01:02:29,510 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 188 transitions. [2021-11-23 01:02:29,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:02:29,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:29,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:29,618 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 01:02:30,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:30,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 150 states and 187 transitions. [2021-11-23 01:02:30,001 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 187 transitions. [2021-11-23 01:02:30,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:02:30,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:30,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:30,032 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 01:02:30,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:30,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 149 states and 186 transitions. [2021-11-23 01:02:30,046 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 186 transitions. [2021-11-23 01:02:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:02:30,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:30,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:30,104 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 01:02:30,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:30,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 154 states and 193 transitions. [2021-11-23 01:02:30,489 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 193 transitions. [2021-11-23 01:02:30,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:02:30,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:30,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:30,515 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 01:02:30,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:30,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 155 states and 195 transitions. [2021-11-23 01:02:30,529 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 195 transitions. [2021-11-23 01:02:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:02:30,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:30,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:30,557 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 01:02:30,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:30,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 156 states and 197 transitions. [2021-11-23 01:02:30,574 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 197 transitions. [2021-11-23 01:02:30,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:02:30,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:30,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:30,590 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 01:02:30,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:30,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 155 states and 196 transitions. [2021-11-23 01:02:30,601 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 196 transitions. [2021-11-23 01:02:30,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:02:30,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:30,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:30,669 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 01:02:30,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:30,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 154 states and 195 transitions. [2021-11-23 01:02:30,685 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 195 transitions. [2021-11-23 01:02:30,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:30,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:30,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:30,926 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 01:02:31,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:31,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 162 states and 215 transitions. [2021-11-23 01:02:31,944 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 215 transitions. [2021-11-23 01:02:31,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:31,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:31,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:32,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:32,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:32,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 164 states and 218 transitions. [2021-11-23 01:02:32,767 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 218 transitions. [2021-11-23 01:02:32,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:32,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:32,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:33,039 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 01:02:34,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:34,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 166 states and 221 transitions. [2021-11-23 01:02:34,235 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 221 transitions. [2021-11-23 01:02:34,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:34,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:34,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:34,263 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 01:02:34,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:34,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 165 states and 220 transitions. [2021-11-23 01:02:34,281 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 220 transitions. [2021-11-23 01:02:34,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:34,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:34,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:34,551 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 01:02:34,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:34,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 167 states and 226 transitions. [2021-11-23 01:02:34,794 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 226 transitions. [2021-11-23 01:02:34,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:02:34,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:34,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:35,150 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 01:02:36,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:36,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 170 states and 231 transitions. [2021-11-23 01:02:36,726 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 231 transitions. [2021-11-23 01:02:36,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:02:36,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:36,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:37,016 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:37,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:37,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 171 states and 231 transitions. [2021-11-23 01:02:37,278 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 231 transitions. [2021-11-23 01:02:37,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:02:37,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:37,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:37,340 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 01:02:37,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:37,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 172 states and 232 transitions. [2021-11-23 01:02:37,655 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 232 transitions. [2021-11-23 01:02:37,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:02:37,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:37,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:37,672 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 01:02:37,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:37,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 173 states and 234 transitions. [2021-11-23 01:02:37,950 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 234 transitions. [2021-11-23 01:02:37,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:02:37,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:37,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:38,012 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 01:02:38,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:38,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 174 states and 235 transitions. [2021-11-23 01:02:38,297 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 235 transitions. [2021-11-23 01:02:38,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:02:38,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:38,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:38,332 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 01:02:38,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:38,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 175 states and 238 transitions. [2021-11-23 01:02:38,353 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 238 transitions. [2021-11-23 01:02:38,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:02:38,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:38,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:38,387 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 01:02:38,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:38,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 175 states and 237 transitions. [2021-11-23 01:02:38,513 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 237 transitions. [2021-11-23 01:02:38,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:02:38,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:38,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:38,900 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 01:02:40,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:40,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 179 states and 244 transitions. [2021-11-23 01:02:40,446 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 244 transitions. [2021-11-23 01:02:40,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:02:40,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:40,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:40,923 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 01:02:42,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:42,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 181 states and 250 transitions. [2021-11-23 01:02:42,256 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 250 transitions. [2021-11-23 01:02:42,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:02:42,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:42,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:42,598 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 01:02:43,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:43,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 183 states and 254 transitions. [2021-11-23 01:02:43,586 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 254 transitions. [2021-11-23 01:02:43,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:02:43,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:43,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:43,985 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 01:02:45,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:45,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 185 states and 258 transitions. [2021-11-23 01:02:45,598 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 258 transitions. [2021-11-23 01:02:45,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:02:45,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:45,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:45,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:47,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:47,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 192 states and 272 transitions. [2021-11-23 01:02:47,708 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 272 transitions. [2021-11-23 01:02:47,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:02:47,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:47,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:48,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:50,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:50,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 199 states and 286 transitions. [2021-11-23 01:02:50,206 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 286 transitions. [2021-11-23 01:02:50,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:02:50,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:50,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:50,224 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 01:02:50,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:50,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 199 states and 285 transitions. [2021-11-23 01:02:50,667 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 285 transitions. [2021-11-23 01:02:50,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:02:50,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:50,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:50,705 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 01:02:53,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:53,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 203 states and 290 transitions. [2021-11-23 01:02:53,122 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 290 transitions. [2021-11-23 01:02:53,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:02:53,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:53,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:53,141 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 01:02:53,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:53,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 204 states and 292 transitions. [2021-11-23 01:02:53,566 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 292 transitions. [2021-11-23 01:02:53,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:02:53,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:53,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:53,589 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 01:02:54,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:54,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 206 states and 295 transitions. [2021-11-23 01:02:54,200 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 295 transitions. [2021-11-23 01:02:54,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:02:54,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:54,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:54,778 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 01:02:57,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:57,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 208 states and 299 transitions. [2021-11-23 01:02:57,161 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 299 transitions. [2021-11-23 01:02:57,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:02:57,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:57,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:57,879 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 01:02:59,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:59,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 210 states and 306 transitions. [2021-11-23 01:02:59,884 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 306 transitions. [2021-11-23 01:02:59,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:02:59,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:59,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:00,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:03:01,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:01,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 215 states and 316 transitions. [2021-11-23 01:03:01,942 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 316 transitions. [2021-11-23 01:03:01,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:03:01,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:01,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:04,098 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:10,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:10,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 223 states and 333 transitions. [2021-11-23 01:03:10,386 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 333 transitions. [2021-11-23 01:03:10,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:03:10,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:10,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:10,537 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:11,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:11,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 224 states and 334 transitions. [2021-11-23 01:03:11,333 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 334 transitions. [2021-11-23 01:03:11,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:03:11,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:11,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:11,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:15,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:15,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 229 states and 340 transitions. [2021-11-23 01:03:15,059 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 340 transitions. [2021-11-23 01:03:15,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:03:15,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:15,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:15,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:21,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:21,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 238 states and 359 transitions. [2021-11-23 01:03:21,807 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 359 transitions. [2021-11-23 01:03:21,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:03:21,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:21,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:27,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:27,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 244 states and 372 transitions. [2021-11-23 01:03:27,217 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 372 transitions. [2021-11-23 01:03:27,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:03:27,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:27,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:27,241 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:28,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:28,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 245 states and 374 transitions. [2021-11-23 01:03:28,061 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 374 transitions. [2021-11-23 01:03:28,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:03:28,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:28,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:28,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:29,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:29,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 247 states and 376 transitions. [2021-11-23 01:03:29,149 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 376 transitions. [2021-11-23 01:03:29,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:03:29,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:29,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:29,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:03:29,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:29,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 247 states and 375 transitions. [2021-11-23 01:03:29,945 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 375 transitions. [2021-11-23 01:03:29,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:03:29,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:29,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:30,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:35,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:35,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 251 states and 381 transitions. [2021-11-23 01:03:35,046 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 381 transitions. [2021-11-23 01:03:35,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:03:35,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:35,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:57,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:57,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 267 states and 412 transitions. [2021-11-23 01:03:57,446 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 412 transitions. [2021-11-23 01:03:57,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:03:57,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:57,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:01,505 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:16,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:16,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 279 states and 435 transitions. [2021-11-23 01:04:16,833 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 435 transitions. [2021-11-23 01:04:16,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:04:16,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:16,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:17,001 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:20,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:20,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 282 states and 439 transitions. [2021-11-23 01:04:20,181 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 439 transitions. [2021-11-23 01:04:20,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:04:20,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:20,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:23,551 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:41,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:41,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 297 states and 464 transitions. [2021-11-23 01:04:41,533 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 464 transitions. [2021-11-23 01:04:41,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:04:41,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:41,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:41,679 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:46,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:46,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 301 states and 470 transitions. [2021-11-23 01:04:46,166 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 470 transitions. [2021-11-23 01:04:46,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:04:46,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:46,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:46,318 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:48,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:48,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 304 states and 475 transitions. [2021-11-23 01:04:48,378 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 475 transitions. [2021-11-23 01:04:48,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:04:48,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:48,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:48,523 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:49,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:49,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 305 states and 475 transitions. [2021-11-23 01:04:49,306 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 475 transitions. [2021-11-23 01:04:49,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:04:49,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:49,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:49,765 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:04:50,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:50,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 304 states and 474 transitions. [2021-11-23 01:04:50,121 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 474 transitions. [2021-11-23 01:04:50,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:04:50,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:50,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:50,498 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:04:52,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:52,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 303 states and 473 transitions. [2021-11-23 01:04:52,025 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 473 transitions. [2021-11-23 01:04:52,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:04:52,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:52,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:52,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:52,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 304 states and 474 transitions. [2021-11-23 01:04:52,875 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 474 transitions. [2021-11-23 01:04:52,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:04:52,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:52,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:52,891 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 01:04:52,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:52,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 303 states and 473 transitions. [2021-11-23 01:04:52,916 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 473 transitions. [2021-11-23 01:04:52,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:04:52,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:52,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:52,937 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 01:04:53,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:53,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 305 states and 482 transitions. [2021-11-23 01:04:53,564 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 482 transitions. [2021-11-23 01:04:53,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:04:53,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:53,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:53,585 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 01:04:53,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:53,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 304 states and 481 transitions. [2021-11-23 01:04:53,608 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 481 transitions. [2021-11-23 01:04:53,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:04:53,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:53,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:53,628 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 01:04:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 305 states and 482 transitions. [2021-11-23 01:04:53,654 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 482 transitions. [2021-11-23 01:04:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:04:53,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:53,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:04:53,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:53,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 304 states and 481 transitions. [2021-11-23 01:04:53,687 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 481 transitions. [2021-11-23 01:04:53,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:04:53,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:53,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:53,715 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:04:54,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:54,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 303 states and 480 transitions. [2021-11-23 01:04:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 480 transitions. [2021-11-23 01:04:54,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:04:54,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:54,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:58,887 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:05:19,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:19,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 320 states and 518 transitions. [2021-11-23 01:05:19,987 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 518 transitions. [2021-11-23 01:05:19,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:05:19,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:19,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:24,326 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:40,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:40,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 330 states and 547 transitions. [2021-11-23 01:05:40,618 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 547 transitions. [2021-11-23 01:05:40,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:05:40,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:40,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:40,647 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:05:43,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:43,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 334 states and 555 transitions. [2021-11-23 01:05:43,833 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 555 transitions. [2021-11-23 01:05:43,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:05:43,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:43,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:46,476 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:05:57,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:57,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 339 states and 563 transitions. [2021-11-23 01:05:57,121 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 563 transitions. [2021-11-23 01:05:57,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:05:57,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:57,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:01,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:25,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:25,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 351 states and 602 transitions. [2021-11-23 01:06:25,904 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 602 transitions. [2021-11-23 01:06:25,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:06:25,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:25,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:30,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:48,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:48,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 362 states and 626 transitions. [2021-11-23 01:06:48,870 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 626 transitions. [2021-11-23 01:06:48,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:06:48,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:48,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:53,851 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:02,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:02,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 366 states and 633 transitions. [2021-11-23 01:07:02,299 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 633 transitions. [2021-11-23 01:07:02,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:07:02,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:02,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:02,789 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:07:04,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:04,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 367 states and 635 transitions. [2021-11-23 01:07:04,726 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 635 transitions. [2021-11-23 01:07:04,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:07:04,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:04,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:04,925 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:07:06,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:06,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 369 states and 639 transitions. [2021-11-23 01:07:06,340 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 639 transitions. [2021-11-23 01:07:06,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:07:06,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:06,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:07,302 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:07:11,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:11,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 371 states and 642 transitions. [2021-11-23 01:07:11,558 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 642 transitions. [2021-11-23 01:07:11,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:07:11,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:11,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:13,257 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:07:17,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:17,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 374 states and 644 transitions. [2021-11-23 01:07:17,655 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 644 transitions. [2021-11-23 01:07:17,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:07:17,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:17,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:18,615 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:07:21,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:21,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 375 states and 646 transitions. [2021-11-23 01:07:21,220 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 646 transitions. [2021-11-23 01:07:21,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:07:21,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:21,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:23,250 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:07:29,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:29,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 378 states and 652 transitions. [2021-11-23 01:07:29,974 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 652 transitions. [2021-11-23 01:07:29,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:07:29,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:29,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:30,493 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:07:30,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:30,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 379 states and 652 transitions. [2021-11-23 01:07:30,952 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 652 transitions. [2021-11-23 01:07:30,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:07:30,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:30,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:30,984 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:07:37,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:37,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 386 states and 667 transitions. [2021-11-23 01:07:37,749 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 667 transitions. [2021-11-23 01:07:37,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:07:37,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:37,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:38,354 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:07:43,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:43,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 389 states and 673 transitions. [2021-11-23 01:07:43,392 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 673 transitions. [2021-11-23 01:07:43,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:07:43,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:43,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:44,910 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:07:55,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:55,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 394 states and 681 transitions. [2021-11-23 01:07:55,477 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 681 transitions. [2021-11-23 01:07:55,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:07:55,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:55,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:56,060 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:08:03,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:03,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 396 states and 686 transitions. [2021-11-23 01:08:03,443 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 686 transitions. [2021-11-23 01:08:03,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:08:03,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:03,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:09,431 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:31,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:31,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 406 states and 717 transitions. [2021-11-23 01:08:31,572 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 717 transitions. [2021-11-23 01:08:31,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:08:31,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:31,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:34,685 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:51,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:51,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 415 states and 745 transitions. [2021-11-23 01:08:51,750 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 745 transitions. [2021-11-23 01:08:51,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:08:51,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:51,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:58,244 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:27,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:27,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 428 states and 781 transitions. [2021-11-23 01:09:27,743 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 781 transitions. [2021-11-23 01:09:27,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:09:27,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:27,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:35,281 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:07,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:07,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 441 states and 814 transitions. [2021-11-23 01:10:07,867 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 814 transitions. [2021-11-23 01:10:07,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:10:07,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:07,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:07,884 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:10:11,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:11,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 440 states and 813 transitions. [2021-11-23 01:10:11,867 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 813 transitions. [2021-11-23 01:10:11,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:10:11,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:11,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:20,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:42,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:42,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 448 states and 846 transitions. [2021-11-23 01:10:42,525 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 846 transitions. [2021-11-23 01:10:42,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:10:42,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:42,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:53,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:16,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:16,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 455 states and 858 transitions. [2021-11-23 01:11:16,112 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 858 transitions. [2021-11-23 01:11:16,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:11:16,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:16,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:16,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:18,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:18,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 457 states and 866 transitions. [2021-11-23 01:11:18,989 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 866 transitions. [2021-11-23 01:11:18,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:11:18,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:18,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:27,774 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:04,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:04,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 469 states and 897 transitions. [2021-11-23 01:12:04,048 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 897 transitions. [2021-11-23 01:12:04,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:12:04,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:04,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:14,911 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:44,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 478 states and 922 transitions. [2021-11-23 01:12:44,059 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 922 transitions. [2021-11-23 01:12:44,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:12:44,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:44,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:55,777 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:26,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:26,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 487 states and 941 transitions. [2021-11-23 01:13:26,667 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 941 transitions. [2021-11-23 01:13:26,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:13:26,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:26,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:27,688 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:37,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:37,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 492 states and 955 transitions. [2021-11-23 01:13:37,922 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 955 transitions. [2021-11-23 01:13:37,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:13:37,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:37,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:38,491 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:41,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:41,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 493 states and 957 transitions. [2021-11-23 01:13:41,378 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 957 transitions. [2021-11-23 01:13:41,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:13:41,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:41,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:48,179 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.