./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09a71aa2-6cf9-42aa-b0f6-5fd2ee64afd3/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09a71aa2-6cf9-42aa-b0f6-5fd2ee64afd3/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09a71aa2-6cf9-42aa-b0f6-5fd2ee64afd3/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09a71aa2-6cf9-42aa-b0f6-5fd2ee64afd3/bin/ukojak-vF6T2TMglN/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09a71aa2-6cf9-42aa-b0f6-5fd2ee64afd3/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09a71aa2-6cf9-42aa-b0f6-5fd2ee64afd3/bin/ukojak-vF6T2TMglN --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 4b6873ae1a0d665798beb3dd9c0c48e89806da7dd46f1d2066800a52e0a2aa51 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:44:16,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:44:16,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:44:16,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:44:16,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:44:16,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:44:16,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:44:16,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:44:16,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:44:16,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:44:16,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:44:16,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:44:16,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:44:16,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:44:16,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:44:16,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:44:16,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:44:16,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:44:16,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:44:16,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:44:16,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:44:16,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:44:16,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:44:16,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:44:16,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:44:16,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:44:16,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:44:16,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:44:16,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:44:16,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:44:16,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:44:16,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:44:16,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:44:16,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:44:16,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:44:16,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:44:16,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:44:16,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:44:16,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:44:16,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:44:16,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:44:16,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09a71aa2-6cf9-42aa-b0f6-5fd2ee64afd3/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-21 04:44:16,209 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:44:16,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:44:16,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:44:16,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:44:16,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:44:16,212 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:44:16,212 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 04:44:16,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:44:16,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:44:16,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:44:16,213 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 04:44:16,213 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 04:44:16,213 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 04:44:16,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:44:16,214 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:44:16,214 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:44:16,214 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:44:16,214 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:44:16,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:44:16,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:44:16,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:44:16,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:44:16,216 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:44:16,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:44:16,216 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_09a71aa2-6cf9-42aa-b0f6-5fd2ee64afd3/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09a71aa2-6cf9-42aa-b0f6-5fd2ee64afd3/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b6873ae1a0d665798beb3dd9c0c48e89806da7dd46f1d2066800a52e0a2aa51 [2021-11-21 04:44:16,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:44:16,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:44:16,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:44:16,504 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:44:16,506 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:44:16,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09a71aa2-6cf9-42aa-b0f6-5fd2ee64afd3/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2021-11-21 04:44:16,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09a71aa2-6cf9-42aa-b0f6-5fd2ee64afd3/bin/ukojak-vF6T2TMglN/data/94d5bd2dd/e8f949796b7c48ea8d07e260d05f475a/FLAGcf9f34ae0 [2021-11-21 04:44:17,116 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:44:17,117 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09a71aa2-6cf9-42aa-b0f6-5fd2ee64afd3/sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2021-11-21 04:44:17,130 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09a71aa2-6cf9-42aa-b0f6-5fd2ee64afd3/bin/ukojak-vF6T2TMglN/data/94d5bd2dd/e8f949796b7c48ea8d07e260d05f475a/FLAGcf9f34ae0 [2021-11-21 04:44:17,414 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09a71aa2-6cf9-42aa-b0f6-5fd2ee64afd3/bin/ukojak-vF6T2TMglN/data/94d5bd2dd/e8f949796b7c48ea8d07e260d05f475a [2021-11-21 04:44:17,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:44:17,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:44:17,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:44:17,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:44:17,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:44:17,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:44:17" (1/1) ... [2021-11-21 04:44:17,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df34aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:17, skipping insertion in model container [2021-11-21 04:44:17,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:44:17" (1/1) ... [2021-11-21 04:44:17,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:44:17,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:44:17,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:44:17,806 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:44:17,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:44:17,900 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:44:17,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:17 WrapperNode [2021-11-21 04:44:17,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:44:17,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:44:17,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:44:17,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:44:17,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:17" (1/1) ... [2021-11-21 04:44:17,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:17" (1/1) ... [2021-11-21 04:44:17,945 INFO L137 Inliner]: procedures = 117, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2021-11-21 04:44:17,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:44:17,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:44:17,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:44:17,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:44:17,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:17" (1/1) ... [2021-11-21 04:44:17,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:17" (1/1) ... [2021-11-21 04:44:17,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:17" (1/1) ... [2021-11-21 04:44:17,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:17" (1/1) ... [2021-11-21 04:44:17,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:17" (1/1) ... [2021-11-21 04:44:17,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:17" (1/1) ... [2021-11-21 04:44:17,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:17" (1/1) ... [2021-11-21 04:44:17,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:44:17,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:44:17,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:44:17,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:44:17,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:17" (1/1) ... [2021-11-21 04:44:18,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:44:18,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09a71aa2-6cf9-42aa-b0f6-5fd2ee64afd3/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:44:18,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09a71aa2-6cf9-42aa-b0f6-5fd2ee64afd3/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:44:18,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09a71aa2-6cf9-42aa-b0f6-5fd2ee64afd3/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:44:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 04:44:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 04:44:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 04:44:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:44:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:44:18,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:44:18,155 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:44:18,157 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:44:18,307 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:44:18,352 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:44:18,352 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 04:44:18,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:44:18 BoogieIcfgContainer [2021-11-21 04:44:18,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:44:18,356 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:44:18,356 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:44:18,365 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:44:18,365 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:44:18" (1/1) ... [2021-11-21 04:44:18,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:44:18,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-21 04:44:18,434 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-21 04:44:18,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 04:44:18,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:18,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2021-11-21 04:44:18,666 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2021-11-21 04:44:18,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 04:44:18,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:18,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:18,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-21 04:44:18,814 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-21 04:44:18,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 04:44:18,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:18,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:18,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:19,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2021-11-21 04:44:19,246 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-11-21 04:44:19,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 04:44:19,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:19,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2021-11-21 04:44:19,331 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-11-21 04:44:19,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 04:44:19,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:19,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2021-11-21 04:44:19,814 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2021-11-21 04:44:19,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 04:44:19,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:19,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:19,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:19,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2021-11-21 04:44:19,947 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2021-11-21 04:44:19,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 04:44:19,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:19,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:20,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:20,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:20,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2021-11-21 04:44:20,296 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2021-11-21 04:44:20,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 04:44:20,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:20,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:20,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:21,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:21,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2021-11-21 04:44:21,007 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2021-11-21 04:44:21,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 04:44:21,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:21,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:21,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:22,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:22,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2021-11-21 04:44:22,323 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2021-11-21 04:44:22,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 04:44:22,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:22,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:22,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:22,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:22,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2021-11-21 04:44:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-21 04:44:22,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 04:44:22,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:22,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:22,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:23,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:23,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2021-11-21 04:44:23,452 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2021-11-21 04:44:23,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:44:23,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:23,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:23,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:24,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:24,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2021-11-21 04:44:24,452 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2021-11-21 04:44:24,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:44:24,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:24,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:24,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:25,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:25,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 63 transitions. [2021-11-21 04:44:25,164 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2021-11-21 04:44:25,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:44:25,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:25,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:25,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:27,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:27,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 39 states and 70 transitions. [2021-11-21 04:44:27,070 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2021-11-21 04:44:27,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:44:27,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:27,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:27,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:27,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:27,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2021-11-21 04:44:27,562 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2021-11-21 04:44:27,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:44:27,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:27,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:27,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:29,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:29,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2021-11-21 04:44:29,357 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2021-11-21 04:44:29,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:44:29,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:29,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:29,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:31,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:31,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2021-11-21 04:44:31,432 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2021-11-21 04:44:31,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:44:31,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:31,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:32,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:32,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2021-11-21 04:44:32,087 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2021-11-21 04:44:32,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:44:32,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:32,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:32,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:32,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:32,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2021-11-21 04:44:32,591 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2021-11-21 04:44:32,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:44:32,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:32,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:33,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:34,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:34,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2021-11-21 04:44:34,586 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2021-11-21 04:44:34,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:44:34,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:34,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:34,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:36,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:36,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 45 states and 77 transitions. [2021-11-21 04:44:36,028 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 77 transitions. [2021-11-21 04:44:36,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:44:36,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:36,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:36,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:44:36,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:36,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2021-11-21 04:44:36,826 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2021-11-21 04:44:36,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:44:36,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:36,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:37,012 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:39,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:39,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 86 transitions. [2021-11-21 04:44:39,135 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2021-11-21 04:44:39,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 04:44:39,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:39,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:39,548 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:40,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:40,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2021-11-21 04:44:40,413 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2021-11-21 04:44:40,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:44:40,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:40,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:44:41,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:41,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 46 states and 69 transitions. [2021-11-21 04:44:41,242 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 69 transitions. [2021-11-21 04:44:41,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:44:41,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:41,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:42,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:49,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:49,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 53 states and 84 transitions. [2021-11-21 04:44:49,251 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 84 transitions. [2021-11-21 04:44:49,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:44:49,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:49,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:44:49,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:49,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2021-11-21 04:44:49,982 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2021-11-21 04:44:49,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 04:44:49,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:49,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:50,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:44:52,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:52,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 56 states and 85 transitions. [2021-11-21 04:44:52,368 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2021-11-21 04:44:52,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:44:52,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:52,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:52,927 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:58,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:58,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 62 states and 98 transitions. [2021-11-21 04:44:58,021 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 98 transitions. [2021-11-21 04:44:58,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:44:58,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:58,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:58,067 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 04:44:58,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:58,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 63 states and 100 transitions. [2021-11-21 04:44:58,845 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 100 transitions. [2021-11-21 04:44:58,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:44:58,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:58,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:59,293 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:45:04,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:04,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 69 states and 115 transitions. [2021-11-21 04:45:04,815 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 115 transitions. [2021-11-21 04:45:04,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:45:04,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:04,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:04,858 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 04:45:07,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:07,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 73 states and 122 transitions. [2021-11-21 04:45:07,053 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 122 transitions. [2021-11-21 04:45:07,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:45:07,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:07,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:07,075 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 04:45:07,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:07,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 73 states and 121 transitions. [2021-11-21 04:45:07,715 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 121 transitions. [2021-11-21 04:45:07,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:45:07,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:07,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:09,398 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:45:20,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:20,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 84 states and 149 transitions. [2021-11-21 04:45:20,610 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 149 transitions. [2021-11-21 04:45:20,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:45:20,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:20,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:20,886 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 04:45:24,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:24,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 89 states and 165 transitions. [2021-11-21 04:45:24,573 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 165 transitions. [2021-11-21 04:45:24,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:45:24,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:24,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:24,622 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 04:45:26,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:26,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 91 states and 169 transitions. [2021-11-21 04:45:26,384 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 169 transitions. [2021-11-21 04:45:26,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:45:26,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:26,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:28,028 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:45:34,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:34,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 97 states and 181 transitions. [2021-11-21 04:45:34,612 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 181 transitions. [2021-11-21 04:45:34,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 04:45:34,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:34,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:36,167 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:45:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:46,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 103 states and 194 transitions. [2021-11-21 04:45:46,540 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 194 transitions. [2021-11-21 04:45:46,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:45:46,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:46,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:46,572 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-21 04:45:47,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:47,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 102 states and 192 transitions. [2021-11-21 04:45:47,499 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 192 transitions. [2021-11-21 04:45:47,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:45:47,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:47,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:48,478 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:46:00,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:46:00,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 108 states and 205 transitions. [2021-11-21 04:46:00,236 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 205 transitions. [2021-11-21 04:46:00,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:46:00,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:46:00,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:46:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:46:00,281 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 04:46:01,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:46:01,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 109 states and 205 transitions. [2021-11-21 04:46:01,327 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 205 transitions. [2021-11-21 04:46:01,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:46:01,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:46:01,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:46:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:46:01,370 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 04:46:04,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:46:04,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 112 states and 212 transitions. [2021-11-21 04:46:04,409 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 212 transitions. [2021-11-21 04:46:04,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:46:04,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:46:04,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:46:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:46:04,467 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:46:10,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:46:10,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 118 states and 223 transitions. [2021-11-21 04:46:10,836 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 223 transitions. [2021-11-21 04:46:10,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 04:46:10,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:46:10,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:46:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:46:13,501 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:46:26,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:46:26,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 127 states and 243 transitions. [2021-11-21 04:46:26,851 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 243 transitions. [2021-11-21 04:46:26,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 04:46:26,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:46:26,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:46:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:46:27,346 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:46:34,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:46:34,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 133 states and 255 transitions. [2021-11-21 04:46:34,184 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 255 transitions. [2021-11-21 04:46:34,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:46:34,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:46:34,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:46:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:46:35,703 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:46:44,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:46:44,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 139 states and 266 transitions. [2021-11-21 04:46:44,010 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 266 transitions. [2021-11-21 04:46:44,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:46:44,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:46:44,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:46:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:46:44,170 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:46:51,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:46:51,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 145 states and 277 transitions. [2021-11-21 04:46:51,224 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 277 transitions. [2021-11-21 04:46:51,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:46:51,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:46:51,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:46:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:46:54,089 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:47:09,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:09,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 151 states and 287 transitions. [2021-11-21 04:47:09,694 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 287 transitions. [2021-11-21 04:47:09,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:47:09,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:09,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:09,760 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:47:17,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:17,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 157 states and 299 transitions. [2021-11-21 04:47:17,804 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 299 transitions. [2021-11-21 04:47:17,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:47:17,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:17,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:20,849 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:47:42,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:42,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 163 states and 310 transitions. [2021-11-21 04:47:42,093 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 310 transitions. [2021-11-21 04:47:42,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:47:42,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:42,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:42,153 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-21 04:47:45,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:45,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 166 states and 316 transitions. [2021-11-21 04:47:45,969 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 316 transitions. [2021-11-21 04:47:45,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:47:45,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:45,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:46,047 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:47:54,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:54,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 172 states and 327 transitions. [2021-11-21 04:47:54,537 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 327 transitions. [2021-11-21 04:47:54,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:47:54,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:54,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:54,598 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:03,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:03,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 178 states and 338 transitions. [2021-11-21 04:48:03,399 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 338 transitions. [2021-11-21 04:48:03,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:48:03,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:03,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:03,461 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:12,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:12,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 184 states and 349 transitions. [2021-11-21 04:48:12,160 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 349 transitions. [2021-11-21 04:48:12,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:48:12,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:12,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:16,134 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:35,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 193 states and 371 transitions. [2021-11-21 04:48:35,959 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 371 transitions. [2021-11-21 04:48:35,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:48:35,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:35,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:36,582 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:45,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:45,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 199 states and 383 transitions. [2021-11-21 04:48:45,654 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 383 transitions. [2021-11-21 04:48:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:48:45,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:45,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:46,269 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:48:55,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:55,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 205 states and 395 transitions. [2021-11-21 04:48:55,489 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 395 transitions. [2021-11-21 04:48:55,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:48:55,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:55,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:56,174 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:05,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:05,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 211 states and 407 transitions. [2021-11-21 04:49:05,601 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 407 transitions. [2021-11-21 04:49:05,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 04:49:05,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:05,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:08,323 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:20,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:20,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 217 states and 418 transitions. [2021-11-21 04:49:20,427 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 418 transitions. [2021-11-21 04:49:20,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 04:49:20,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:20,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:20,488 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:30,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:30,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 223 states and 429 transitions. [2021-11-21 04:49:30,499 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 429 transitions. [2021-11-21 04:49:30,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 04:49:30,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:30,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:30,561 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:40,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:40,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 229 states and 440 transitions. [2021-11-21 04:49:40,662 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 440 transitions. [2021-11-21 04:49:40,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 04:49:40,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:40,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:40,723 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:49:50,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:50,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 235 states and 451 transitions. [2021-11-21 04:49:50,990 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 451 transitions. [2021-11-21 04:49:50,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 04:49:50,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:50,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:56,159 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:50:21,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:21,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 241 states and 462 transitions. [2021-11-21 04:50:21,737 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 462 transitions. [2021-11-21 04:50:21,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 04:50:21,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:21,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:21,808 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:50:32,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:32,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 247 states and 473 transitions. [2021-11-21 04:50:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 473 transitions. [2021-11-21 04:50:32,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 04:50:32,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:32,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:32,763 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:50:44,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:44,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 253 states and 484 transitions. [2021-11-21 04:50:44,040 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 484 transitions. [2021-11-21 04:50:44,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 04:50:44,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:44,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:44,116 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:50:55,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:55,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 259 states and 495 transitions. [2021-11-21 04:50:55,329 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 495 transitions. [2021-11-21 04:50:55,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:50:55,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:55,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:01,104 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:35,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:35,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 265 states and 506 transitions. [2021-11-21 04:51:35,529 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 506 transitions. [2021-11-21 04:51:35,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:51:35,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:35,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:35,597 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:48,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:48,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 271 states and 517 transitions. [2021-11-21 04:51:48,139 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 517 transitions. [2021-11-21 04:51:48,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:51:48,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:48,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:48,206 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:00,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:00,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 277 states and 528 transitions. [2021-11-21 04:52:00,383 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 528 transitions. [2021-11-21 04:52:00,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:52:00,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:00,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:00,453 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:12,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:12,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 283 states and 539 transitions. [2021-11-21 04:52:12,741 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 539 transitions. [2021-11-21 04:52:12,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:52:12,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:12,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:12,810 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:25,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:25,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 289 states and 550 transitions. [2021-11-21 04:52:25,259 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 550 transitions. [2021-11-21 04:52:25,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:52:25,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:25,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:25,331 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:38,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:38,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 295 states and 561 transitions. [2021-11-21 04:52:38,020 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 561 transitions. [2021-11-21 04:52:38,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:52:38,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:38,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:38,096 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:50,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:50,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 301 states and 572 transitions. [2021-11-21 04:52:50,549 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 572 transitions. [2021-11-21 04:52:50,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:52:50,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:50,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:50,615 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:03,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:03,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 307 states and 583 transitions. [2021-11-21 04:53:03,099 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 583 transitions. [2021-11-21 04:53:03,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 04:53:03,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:03,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:10,389 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:41,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:41,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 316 states and 609 transitions. [2021-11-21 04:53:41,327 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 609 transitions. [2021-11-21 04:53:41,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 04:53:41,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:41,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:42,440 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:55,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:55,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 322 states and 621 transitions. [2021-11-21 04:53:55,825 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 621 transitions. [2021-11-21 04:53:55,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 04:53:55,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:55,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:56,896 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:10,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:10,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 328 states and 633 transitions. [2021-11-21 04:54:10,443 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 633 transitions. [2021-11-21 04:54:10,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 04:54:10,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:10,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:11,371 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:26,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:26,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 334 states and 645 transitions. [2021-11-21 04:54:26,261 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 645 transitions. [2021-11-21 04:54:26,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 04:54:26,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:26,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:27,607 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:43,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:43,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 340 states and 657 transitions. [2021-11-21 04:54:43,085 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 657 transitions. [2021-11-21 04:54:43,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 04:54:43,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:43,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:44,206 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:59,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:59,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 346 states and 669 transitions. [2021-11-21 04:54:59,807 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 669 transitions. [2021-11-21 04:54:59,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 04:54:59,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:59,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:00,986 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:17,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:17,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 352 states and 681 transitions. [2021-11-21 04:55:17,661 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 681 transitions. [2021-11-21 04:55:17,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 04:55:17,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:17,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:18,833 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:35,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:35,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 358 states and 693 transitions. [2021-11-21 04:55:35,349 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 693 transitions. [2021-11-21 04:55:35,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 04:55:35,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:35,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:40,602 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 41 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:01,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:01,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 364 states and 704 transitions. [2021-11-21 04:56:01,284 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 704 transitions. [2021-11-21 04:56:01,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 04:56:01,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:01,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:01,356 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 41 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:16,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:16,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 370 states and 715 transitions. [2021-11-21 04:56:16,987 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 715 transitions. [2021-11-21 04:56:16,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 04:56:16,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:16,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:17,056 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 41 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.