./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.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_c154af07-8343-4070-b1c9-010a91a2f3f2/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c154af07-8343-4070-b1c9-010a91a2f3f2/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_c154af07-8343-4070-b1c9-010a91a2f3f2/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c154af07-8343-4070-b1c9-010a91a2f3f2/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c154af07-8343-4070-b1c9-010a91a2f3f2/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_c154af07-8343-4070-b1c9-010a91a2f3f2/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 e27d2e3e94b55a3b3138a7f2b03714931363cb725f69630c5958681cf34de99e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:50:03,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:50:03,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:50:03,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:50:03,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:50:03,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:50:03,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:50:03,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:50:03,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:50:03,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:50:03,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:50:03,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:50:03,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:50:03,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:50:03,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:50:03,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:50:03,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:50:03,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:50:03,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:50:03,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:50:03,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:50:03,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:50:03,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:50:03,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:50:03,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:50:03,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:50:03,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:50:03,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:50:03,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:50:03,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:50:03,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:50:03,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:50:03,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:50:03,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:50:04,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:50:04,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:50:04,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:50:04,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:50:04,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:50:04,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:50:04,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:50:04,005 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c154af07-8343-4070-b1c9-010a91a2f3f2/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:50:04,027 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:50:04,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:50:04,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:50:04,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:50:04,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:50:04,030 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:50:04,030 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:50:04,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:50:04,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:50:04,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:50:04,031 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:50:04,031 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:50:04,031 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:50:04,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:50:04,031 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:50:04,032 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:50:04,032 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:50:04,032 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:50:04,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:50:04,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:50:04,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:50:04,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:50:04,039 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:50:04,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:50:04,040 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_c154af07-8343-4070-b1c9-010a91a2f3f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c154af07-8343-4070-b1c9-010a91a2f3f2/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e27d2e3e94b55a3b3138a7f2b03714931363cb725f69630c5958681cf34de99e [2021-11-23 01:50:04,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:50:04,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:50:04,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:50:04,310 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:50:04,311 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:50:04,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c154af07-8343-4070-b1c9-010a91a2f3f2/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i [2021-11-23 01:50:04,412 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c154af07-8343-4070-b1c9-010a91a2f3f2/bin/ukojak-LBtLqBUTdQ/data/bdf8eb19b/5c3eb0e813894b488181d589f7f222fe/FLAG86685130f [2021-11-23 01:50:04,951 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:50:04,952 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c154af07-8343-4070-b1c9-010a91a2f3f2/sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i [2021-11-23 01:50:04,987 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c154af07-8343-4070-b1c9-010a91a2f3f2/bin/ukojak-LBtLqBUTdQ/data/bdf8eb19b/5c3eb0e813894b488181d589f7f222fe/FLAG86685130f [2021-11-23 01:50:05,254 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c154af07-8343-4070-b1c9-010a91a2f3f2/bin/ukojak-LBtLqBUTdQ/data/bdf8eb19b/5c3eb0e813894b488181d589f7f222fe [2021-11-23 01:50:05,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:50:05,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:50:05,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:50:05,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:50:05,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:50:05,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:50:05" (1/1) ... [2021-11-23 01:50:05,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a1a7ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:05, skipping insertion in model container [2021-11-23 01:50:05,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:50:05" (1/1) ... [2021-11-23 01:50:05,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:50:05,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:50:05,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:50:05,671 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:50:05,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:50:05,779 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:50:05,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:05 WrapperNode [2021-11-23 01:50:05,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:50:05,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:50:05,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:50:05,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:50:05,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:05" (1/1) ... [2021-11-23 01:50:05,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:05" (1/1) ... [2021-11-23 01:50:05,857 INFO L137 Inliner]: procedures = 117, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2021-11-23 01:50:05,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:50:05,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:50:05,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:50:05,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:50:05,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:05" (1/1) ... [2021-11-23 01:50:05,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:05" (1/1) ... [2021-11-23 01:50:05,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:05" (1/1) ... [2021-11-23 01:50:05,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:05" (1/1) ... [2021-11-23 01:50:05,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:05" (1/1) ... [2021-11-23 01:50:05,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:05" (1/1) ... [2021-11-23 01:50:05,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:05" (1/1) ... [2021-11-23 01:50:05,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:50:05,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:50:05,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:50:05,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:50:05,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:05" (1/1) ... [2021-11-23 01:50:05,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:50:05,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c154af07-8343-4070-b1c9-010a91a2f3f2/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:50:05,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c154af07-8343-4070-b1c9-010a91a2f3f2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:50:05,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c154af07-8343-4070-b1c9-010a91a2f3f2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:50:05,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:50:05,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:50:05,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:50:05,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:50:05,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:50:05,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:50:06,087 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:50:06,088 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:50:06,268 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:50:06,372 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:50:06,372 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:50:06,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:50:06 BoogieIcfgContainer [2021-11-23 01:50:06,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:50:06,376 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:50:06,376 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:50:06,399 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:50:06,399 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:50:06" (1/1) ... [2021-11-23 01:50:06,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:50:06,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:06,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2021-11-23 01:50:06,493 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2021-11-23 01:50:06,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:50:06,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:06,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:06,708 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 01:50:06,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:06,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2021-11-23 01:50:06,774 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2021-11-23 01:50:06,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:50:06,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:06,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:06,903 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 01:50:07,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:07,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2021-11-23 01:50:07,191 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2021-11-23 01:50:07,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:50:07,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:07,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:07,287 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 01:50:07,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:07,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2021-11-23 01:50:07,464 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2021-11-23 01:50:07,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:50:07,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:07,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:07,644 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 01:50:08,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:08,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2021-11-23 01:50:08,221 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2021-11-23 01:50:08,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:50:08,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:08,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:08,272 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 01:50:08,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:08,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2021-11-23 01:50:08,432 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2021-11-23 01:50:08,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:50:08,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:08,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:08,510 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 01:50:09,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:09,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2021-11-23 01:50:09,153 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2021-11-23 01:50:09,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:50:09,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:09,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:09,300 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 01:50:09,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:09,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2021-11-23 01:50:09,928 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2021-11-23 01:50:09,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:50:09,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:09,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:09,948 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 01:50:10,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:10,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 66 transitions. [2021-11-23 01:50:10,105 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2021-11-23 01:50:10,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:50:10,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:10,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:10,189 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 01:50:11,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:11,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 72 transitions. [2021-11-23 01:50:11,068 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2021-11-23 01:50:11,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:50:11,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:11,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:11,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:50:11,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:11,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2021-11-23 01:50:11,517 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2021-11-23 01:50:11,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:50:11,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:11,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:11,693 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 01:50:12,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:12,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2021-11-23 01:50:12,009 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2021-11-23 01:50:12,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:50:12,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:12,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:12,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:50:12,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:12,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 48 states and 83 transitions. [2021-11-23 01:50:12,505 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 83 transitions. [2021-11-23 01:50:12,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:50:12,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:12,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:12,721 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 01:50:13,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:13,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 51 states and 92 transitions. [2021-11-23 01:50:13,625 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2021-11-23 01:50:13,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:50:13,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:13,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:13,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:50:14,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:14,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 53 states and 97 transitions. [2021-11-23 01:50:14,163 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2021-11-23 01:50:14,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:50:14,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:14,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:14,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:14,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:14,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2021-11-23 01:50:14,786 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2021-11-23 01:50:14,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:50:14,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:14,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:15,033 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:15,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:15,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2021-11-23 01:50:15,483 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2021-11-23 01:50:15,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:50:15,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:15,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:15,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:50:16,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:16,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 48 states and 81 transitions. [2021-11-23 01:50:16,104 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 81 transitions. [2021-11-23 01:50:16,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:50:16,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:16,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:16,315 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 01:50:16,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:16,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2021-11-23 01:50:16,786 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2021-11-23 01:50:16,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:50:16,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:16,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:16,956 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 01:50:17,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:17,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2021-11-23 01:50:17,346 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2021-11-23 01:50:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:50:17,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:17,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:17,692 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 01:50:18,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:18,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 93 transitions. [2021-11-23 01:50:18,878 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2021-11-23 01:50:18,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:50:18,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:18,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:18,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:50:19,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:19,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2021-11-23 01:50:19,543 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2021-11-23 01:50:19,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:50:19,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:19,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:19,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:50:19,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:19,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2021-11-23 01:50:19,969 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2021-11-23 01:50:19,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:50:19,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:19,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:20,205 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:20,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:20,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 43 states and 63 transitions. [2021-11-23 01:50:20,723 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2021-11-23 01:50:20,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:50:20,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:20,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:20,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:50:21,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:21,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2021-11-23 01:50:21,116 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2021-11-23 01:50:21,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:50:21,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:21,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:21,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:50:21,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:21,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2021-11-23 01:50:21,607 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2021-11-23 01:50:21,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:50:21,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:21,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:21,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:50:22,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:22,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2021-11-23 01:50:22,075 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2021-11-23 01:50:22,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:50:22,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:22,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:22,425 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 01:50:23,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:23,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2021-11-23 01:50:23,473 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2021-11-23 01:50:23,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:50:23,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:23,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:23,904 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 01:50:26,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:26,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2021-11-23 01:50:26,159 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2021-11-23 01:50:26,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:50:26,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:26,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:26,596 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 01:50:31,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:31,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2021-11-23 01:50:31,755 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-11-23 01:50:31,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:50:31,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:31,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:32,940 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 01:50:38,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:38,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2021-11-23 01:50:38,213 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2021-11-23 01:50:38,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:50:38,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:38,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:38,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:50:39,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:39,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 81 transitions. [2021-11-23 01:50:39,469 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2021-11-23 01:50:39,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:50:39,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:39,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:39,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:50:41,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:41,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 57 states and 84 transitions. [2021-11-23 01:50:41,107 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2021-11-23 01:50:41,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:50:41,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:41,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:42,060 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 01:50:47,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:47,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 65 states and 107 transitions. [2021-11-23 01:50:47,856 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 107 transitions. [2021-11-23 01:50:47,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:50:47,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:47,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:47,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:50:49,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:49,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 67 states and 118 transitions. [2021-11-23 01:50:49,780 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 118 transitions. [2021-11-23 01:50:49,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:50:49,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:49,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:53,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:53,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 71 states and 126 transitions. [2021-11-23 01:50:53,509 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 126 transitions. [2021-11-23 01:50:53,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:50:53,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:53,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:55,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:51:07,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:07,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 82 states and 149 transitions. [2021-11-23 01:51:07,311 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 149 transitions. [2021-11-23 01:51:07,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:51:07,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:07,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:07,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:51:08,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:08,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 79 states and 143 transitions. [2021-11-23 01:51:08,213 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 143 transitions. [2021-11-23 01:51:08,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:51:08,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:08,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:08,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:51:09,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:09,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 76 states and 138 transitions. [2021-11-23 01:51:09,180 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 138 transitions. [2021-11-23 01:51:09,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:51:09,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:09,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:11,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:51:23,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:23,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 84 states and 156 transitions. [2021-11-23 01:51:23,222 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 156 transitions. [2021-11-23 01:51:23,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:51:23,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:23,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:23,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:51:25,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:25,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 87 states and 161 transitions. [2021-11-23 01:51:25,876 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 161 transitions. [2021-11-23 01:51:25,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:51:25,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:25,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:26,224 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:51:32,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:32,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 93 states and 175 transitions. [2021-11-23 01:51:32,755 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 175 transitions. [2021-11-23 01:51:32,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:51:32,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:32,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:32,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:51:39,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:39,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 99 states and 186 transitions. [2021-11-23 01:51:39,379 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 186 transitions. [2021-11-23 01:51:39,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:51:39,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:39,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:39,700 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:42,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:42,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 100 states and 200 transitions. [2021-11-23 01:51:42,990 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 200 transitions. [2021-11-23 01:51:42,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:51:42,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:42,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:45,767 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:02,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:02,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 111 states and 229 transitions. [2021-11-23 01:52:02,367 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 229 transitions. [2021-11-23 01:52:02,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:02,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:02,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:02,390 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:52:04,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:04,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 113 states and 234 transitions. [2021-11-23 01:52:04,645 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 234 transitions. [2021-11-23 01:52:04,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:04,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:04,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:04,697 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:52:17,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:17,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 122 states and 257 transitions. [2021-11-23 01:52:17,705 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 257 transitions. [2021-11-23 01:52:17,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:17,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:17,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:18,691 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:52:31,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:31,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 130 states and 276 transitions. [2021-11-23 01:52:31,684 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 276 transitions. [2021-11-23 01:52:31,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:31,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:31,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:34,339 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:49,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:49,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 138 states and 303 transitions. [2021-11-23 01:52:49,450 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 303 transitions. [2021-11-23 01:52:49,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:49,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:49,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:49,510 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:53,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:53,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 140 states and 308 transitions. [2021-11-23 01:52:53,050 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 308 transitions. [2021-11-23 01:52:53,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:52:53,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:53,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:54,671 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:53:03,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:03,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 144 states and 314 transitions. [2021-11-23 01:53:03,244 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 314 transitions. [2021-11-23 01:53:03,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:53:03,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:03,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:03,301 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:53:11,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:11,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 150 states and 327 transitions. [2021-11-23 01:53:11,625 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 327 transitions. [2021-11-23 01:53:11,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:53:11,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:11,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:12,995 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 01:53:26,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:26,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 159 states and 349 transitions. [2021-11-23 01:53:26,925 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 349 transitions. [2021-11-23 01:53:26,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:53:26,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:26,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:26,982 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:53:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:36,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 164 states and 364 transitions. [2021-11-23 01:53:36,038 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 364 transitions. [2021-11-23 01:53:36,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:53:36,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:36,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:40,673 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:54:14,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:14,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 178 states and 409 transitions. [2021-11-23 01:54:14,081 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 409 transitions. [2021-11-23 01:54:14,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:54:14,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:14,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:14,104 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:54:16,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:16,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 178 states and 408 transitions. [2021-11-23 01:54:16,031 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 408 transitions. [2021-11-23 01:54:16,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:54:16,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:16,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:16,062 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:54:18,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:18,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 179 states and 409 transitions. [2021-11-23 01:54:18,536 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 409 transitions. [2021-11-23 01:54:18,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:54:18,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:18,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:18,592 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:54:22,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:22,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 182 states and 414 transitions. [2021-11-23 01:54:22,803 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 414 transitions. [2021-11-23 01:54:22,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:54:22,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:22,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:22,924 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:54:27,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:27,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 185 states and 422 transitions. [2021-11-23 01:54:27,355 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 422 transitions. [2021-11-23 01:54:27,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:54:27,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:27,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:27,377 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:54:31,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:31,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 188 states and 428 transitions. [2021-11-23 01:54:31,371 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 428 transitions. [2021-11-23 01:54:31,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:54:31,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:31,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:32,125 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:54:44,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:44,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 194 states and 443 transitions. [2021-11-23 01:54:44,559 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 443 transitions. [2021-11-23 01:54:44,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:54:44,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:44,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:44,579 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:54:56,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:56,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 200 states and 453 transitions. [2021-11-23 01:54:56,258 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 453 transitions. [2021-11-23 01:54:56,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:54:56,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:56,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:56,288 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:55:02,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:02,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 203 states and 464 transitions. [2021-11-23 01:55:02,711 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 464 transitions. [2021-11-23 01:55:02,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:55:02,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:02,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:02,734 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:55:04,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:04,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 203 states and 462 transitions. [2021-11-23 01:55:04,696 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 462 transitions. [2021-11-23 01:55:04,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:55:04,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:04,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:04,719 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:55:09,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:09,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 206 states and 467 transitions. [2021-11-23 01:55:09,097 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 467 transitions. [2021-11-23 01:55:09,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:55:09,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:09,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:14,045 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:55:51,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:51,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 214 states and 501 transitions. [2021-11-23 01:55:51,150 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 501 transitions. [2021-11-23 01:55:51,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:55:51,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:51,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:51,203 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:55:56,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:56,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 217 states and 512 transitions. [2021-11-23 01:55:56,122 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 512 transitions. [2021-11-23 01:55:56,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:55:56,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:56,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:56,391 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:56:18,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:18,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 226 states and 538 transitions. [2021-11-23 01:56:18,416 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 538 transitions. [2021-11-23 01:56:18,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:56:18,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:18,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:18,622 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:56:23,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:23,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 227 states and 541 transitions. [2021-11-23 01:56:23,884 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 541 transitions. [2021-11-23 01:56:23,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:56:23,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:23,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:29,251 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:57:13,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:57:13,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 243 states and 579 transitions. [2021-11-23 01:57:13,848 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 579 transitions. [2021-11-23 01:57:13,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:57:13,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:57:13,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:13,909 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:57:40,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:57:40,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 253 states and 616 transitions. [2021-11-23 01:57:40,178 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 616 transitions. [2021-11-23 01:57:40,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:57:40,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:57:40,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:40,238 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:57:42,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:57:42,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 254 states and 619 transitions. [2021-11-23 01:57:42,856 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 619 transitions. [2021-11-23 01:57:42,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:57:42,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:57:42,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:42,901 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:57:49,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:57:49,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 257 states and 624 transitions. [2021-11-23 01:57:49,734 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 624 transitions. [2021-11-23 01:57:49,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:57:49,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:57:49,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:49,764 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:58:09,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:58:09,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 264 states and 648 transitions. [2021-11-23 01:58:09,029 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 648 transitions. [2021-11-23 01:58:09,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:58:09,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:58:09,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:09,058 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:58:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:58:11,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 265 states and 651 transitions. [2021-11-23 01:58:11,822 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 651 transitions. [2021-11-23 01:58:11,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:58:11,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:58:11,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:11,873 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:58:30,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:58:30,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 270 states and 670 transitions. [2021-11-23 01:58:30,243 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 670 transitions. [2021-11-23 01:58:30,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:58:30,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:58:30,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:30,298 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:58:36,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:58:36,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 271 states and 673 transitions. [2021-11-23 01:58:36,490 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 673 transitions. [2021-11-23 01:58:36,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:58:36,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:58:36,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:38,253 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:58:45,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:58:45,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 274 states and 679 transitions. [2021-11-23 01:58:45,681 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 679 transitions. [2021-11-23 01:58:45,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:58:45,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:58:45,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:45,727 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:58:52,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:58:52,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 277 states and 684 transitions. [2021-11-23 01:58:52,297 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 684 transitions. [2021-11-23 01:58:52,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:58:52,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:58:52,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:59:00,535 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:59:29,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:59:29,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 283 states and 699 transitions. [2021-11-23 01:59:29,987 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 699 transitions. [2021-11-23 01:59:29,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:59:29,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:59:29,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:59:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:59:31,676 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:59:50,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:59:50,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 289 states and 720 transitions. [2021-11-23 01:59:50,730 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 720 transitions. [2021-11-23 01:59:50,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:59:50,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:59:50,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:59:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:59:50,830 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 02:00:05,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 02:00:05,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 293 states and 736 transitions. [2021-11-23 02:00:05,603 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 736 transitions. [2021-11-23 02:00:05,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 02:00:05,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 02:00:05,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:00:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:00:12,473 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:00:43,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 02:00:43,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 301 states and 756 transitions. [2021-11-23 02:00:43,772 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 756 transitions. [2021-11-23 02:00:43,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 02:00:43,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 02:00:43,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:00:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:00:43,832 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:01:02,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 02:01:02,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 307 states and 776 transitions. [2021-11-23 02:01:02,996 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 776 transitions. [2021-11-23 02:01:02,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 02:01:02,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 02:01:02,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:01:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:01:08,264 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 02:01:16,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 02:01:16,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 307 states and 775 transitions. [2021-11-23 02:01:16,629 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 775 transitions. [2021-11-23 02:01:16,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 02:01:16,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 02:01:16,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:01:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:01:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 02:01:24,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 02:01:24,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 310 states and 780 transitions. [2021-11-23 02:01:24,884 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 780 transitions. [2021-11-23 02:01:24,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 02:01:24,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 02:01:24,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:01:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:01:24,912 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 02:01:44,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 02:01:44,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 316 states and 795 transitions. [2021-11-23 02:01:44,214 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 795 transitions. [2021-11-23 02:01:44,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 02:01:44,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 02:01:44,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:01:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:01:56,734 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.