./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2c_append_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b1fed0-42ee-4e89-b768-8e6de9461693/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b1fed0-42ee-4e89-b768-8e6de9461693/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b1fed0-42ee-4e89-b768-8e6de9461693/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b1fed0-42ee-4e89-b768-8e6de9461693/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_append_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b1fed0-42ee-4e89-b768-8e6de9461693/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b1fed0-42ee-4e89-b768-8e6de9461693/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b335af75f55d322161e6a270bf4669ab290ae0e9da4bc480724c7d5e3b79fdab --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:28:19,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:28:19,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:28:19,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:28:19,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:28:19,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:28:19,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:28:19,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:28:19,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:28:19,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:28:19,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:28:19,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:28:19,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:28:19,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:28:19,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:28:19,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:28:19,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:28:19,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:28:19,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:28:19,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:28:19,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:28:19,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:28:19,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:28:19,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:28:19,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:28:19,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:28:19,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:28:19,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:28:19,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:28:19,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:28:19,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:28:19,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:28:19,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:28:19,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:28:19,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:28:19,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:28:19,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:28:19,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:28:19,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:28:19,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:28:19,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:28:19,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b1fed0-42ee-4e89-b768-8e6de9461693/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:28:19,301 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:28:19,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:28:19,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:28:19,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:28:19,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:28:19,305 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:28:19,305 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:28:19,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:28:19,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:28:19,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:28:19,307 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:28:19,313 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:28:19,313 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:28:19,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:28:19,314 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:28:19,314 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:28:19,314 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:28:19,315 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:28:19,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:28:19,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:19,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:28:19,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:28:19,316 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:28:19,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:28:19,316 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_14b1fed0-42ee-4e89-b768-8e6de9461693/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b1fed0-42ee-4e89-b768-8e6de9461693/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b335af75f55d322161e6a270bf4669ab290ae0e9da4bc480724c7d5e3b79fdab [2021-11-23 00:28:19,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:28:19,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:28:19,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:28:19,605 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:28:19,605 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:28:19,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b1fed0-42ee-4e89-b768-8e6de9461693/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-simple/sll2c_append_equal.i [2021-11-23 00:28:19,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b1fed0-42ee-4e89-b768-8e6de9461693/bin/ukojak-LBtLqBUTdQ/data/5aba88a3d/6f175b7af0714a01a0c5b01e1992a595/FLAGafbbe50b5 [2021-11-23 00:28:20,223 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:28:20,224 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b1fed0-42ee-4e89-b768-8e6de9461693/sv-benchmarks/c/list-simple/sll2c_append_equal.i [2021-11-23 00:28:20,247 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b1fed0-42ee-4e89-b768-8e6de9461693/bin/ukojak-LBtLqBUTdQ/data/5aba88a3d/6f175b7af0714a01a0c5b01e1992a595/FLAGafbbe50b5 [2021-11-23 00:28:20,506 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b1fed0-42ee-4e89-b768-8e6de9461693/bin/ukojak-LBtLqBUTdQ/data/5aba88a3d/6f175b7af0714a01a0c5b01e1992a595 [2021-11-23 00:28:20,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:28:20,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:28:20,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:20,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:28:20,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:28:20,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:20" (1/1) ... [2021-11-23 00:28:20,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3447ec24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:20, skipping insertion in model container [2021-11-23 00:28:20,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:20" (1/1) ... [2021-11-23 00:28:20,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:28:20,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:28:20,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b1fed0-42ee-4e89-b768-8e6de9461693/sv-benchmarks/c/list-simple/sll2c_append_equal.i[24433,24446] [2021-11-23 00:28:20,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:20,899 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:28:20,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b1fed0-42ee-4e89-b768-8e6de9461693/sv-benchmarks/c/list-simple/sll2c_append_equal.i[24433,24446] [2021-11-23 00:28:20,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:20,977 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:28:20,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:20 WrapperNode [2021-11-23 00:28:20,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:20,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:20,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:28:20,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:28:20,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:20" (1/1) ... [2021-11-23 00:28:21,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:20" (1/1) ... [2021-11-23 00:28:21,034 INFO L137 Inliner]: procedures = 127, calls = 42, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 168 [2021-11-23 00:28:21,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:21,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:28:21,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:28:21,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:28:21,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:20" (1/1) ... [2021-11-23 00:28:21,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:20" (1/1) ... [2021-11-23 00:28:21,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:20" (1/1) ... [2021-11-23 00:28:21,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:20" (1/1) ... [2021-11-23 00:28:21,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:20" (1/1) ... [2021-11-23 00:28:21,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:20" (1/1) ... [2021-11-23 00:28:21,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:20" (1/1) ... [2021-11-23 00:28:21,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:28:21,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:28:21,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:28:21,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:28:21,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:20" (1/1) ... [2021-11-23 00:28:21,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:21,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b1fed0-42ee-4e89-b768-8e6de9461693/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:28:21,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b1fed0-42ee-4e89-b768-8e6de9461693/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:28:21,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b1fed0-42ee-4e89-b768-8e6de9461693/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:28:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:28:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:28:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:28:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:28:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:28:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:28:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:28:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:28:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:28:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:28:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:28:21,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:28:21,384 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:28:21,386 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:28:21,781 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:28:21,850 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:28:21,863 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 00:28:21,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:21 BoogieIcfgContainer [2021-11-23 00:28:21,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:28:21,867 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:28:21,867 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:28:21,893 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:28:21,893 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:21" (1/1) ... [2021-11-23 00:28:21,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:28:22,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:22,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 109 states and 121 transitions. [2021-11-23 00:28:22,011 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2021-11-23 00:28:22,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:28:22,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:22,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:22,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:22,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:22,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 108 states and 120 transitions. [2021-11-23 00:28:22,233 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2021-11-23 00:28:22,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:28:22,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:22,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:22,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:22,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 107 states and 119 transitions. [2021-11-23 00:28:22,450 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 119 transitions. [2021-11-23 00:28:22,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:28:22,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:22,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:22,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:22,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:22,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 106 states and 118 transitions. [2021-11-23 00:28:22,535 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2021-11-23 00:28:22,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:28:22,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:22,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:22,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:22,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 105 states and 117 transitions. [2021-11-23 00:28:22,599 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 117 transitions. [2021-11-23 00:28:22,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:28:22,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:22,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:22,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:22,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:22,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 106 states and 119 transitions. [2021-11-23 00:28:22,831 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 119 transitions. [2021-11-23 00:28:22,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:28:22,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:22,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:22,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:22,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:22,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 105 states and 118 transitions. [2021-11-23 00:28:22,932 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2021-11-23 00:28:22,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:28:22,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:22,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:23,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:23,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:23,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 104 states and 117 transitions. [2021-11-23 00:28:23,027 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2021-11-23 00:28:23,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:28:23,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:23,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:23,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:23,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:23,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 103 states and 116 transitions. [2021-11-23 00:28:23,105 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2021-11-23 00:28:23,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:28:23,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:23,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:23,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:23,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:23,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 102 states and 115 transitions. [2021-11-23 00:28:23,188 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 115 transitions. [2021-11-23 00:28:23,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:28:23,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:23,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:23,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:23,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:23,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 101 states and 114 transitions. [2021-11-23 00:28:23,264 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2021-11-23 00:28:23,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:28:23,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:23,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:23,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:23,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:23,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 100 states and 113 transitions. [2021-11-23 00:28:23,468 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2021-11-23 00:28:23,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:28:23,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:23,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:23,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:24,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:24,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 99 states and 112 transitions. [2021-11-23 00:28:24,247 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2021-11-23 00:28:24,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:28:24,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:24,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:24,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:25,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 98 states and 111 transitions. [2021-11-23 00:28:25,196 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 111 transitions. [2021-11-23 00:28:25,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:28:25,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:25,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:25,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:25,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:25,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 97 states and 110 transitions. [2021-11-23 00:28:25,242 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2021-11-23 00:28:25,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:28:25,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:25,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:25,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:25,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:25,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 96 states and 109 transitions. [2021-11-23 00:28:25,291 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2021-11-23 00:28:25,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:28:25,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:25,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:25,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:25,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 95 states and 108 transitions. [2021-11-23 00:28:25,330 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2021-11-23 00:28:25,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:28:25,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:25,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:25,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:25,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:25,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 94 states and 107 transitions. [2021-11-23 00:28:25,376 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2021-11-23 00:28:25,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:28:25,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:25,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:25,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:27,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:27,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 105 states and 126 transitions. [2021-11-23 00:28:27,488 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 126 transitions. [2021-11-23 00:28:27,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:28:27,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:27,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:27,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:30,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:30,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 92 states and 105 transitions. [2021-11-23 00:28:30,284 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 105 transitions. [2021-11-23 00:28:30,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:28:30,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:30,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:30,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:30,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:30,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 91 states and 104 transitions. [2021-11-23 00:28:30,323 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2021-11-23 00:28:30,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:28:30,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:30,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:30,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:31,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:31,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 90 states and 103 transitions. [2021-11-23 00:28:31,055 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2021-11-23 00:28:31,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:28:31,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:31,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:31,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:31,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:31,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 89 states and 102 transitions. [2021-11-23 00:28:31,830 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 102 transitions. [2021-11-23 00:28:31,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:28:31,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:31,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:31,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:33,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:33,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 88 states and 101 transitions. [2021-11-23 00:28:33,011 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 101 transitions. [2021-11-23 00:28:33,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:28:33,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:33,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:33,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:37,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 89 states and 102 transitions. [2021-11-23 00:28:37,105 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 102 transitions. [2021-11-23 00:28:37,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:28:37,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:37,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:37,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:42,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:42,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 90 states and 104 transitions. [2021-11-23 00:28:42,350 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2021-11-23 00:28:42,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:28:42,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:42,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:42,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:42,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:42,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 89 states and 103 transitions. [2021-11-23 00:28:42,746 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 103 transitions. [2021-11-23 00:28:42,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:28:42,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:42,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:42,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:43,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:43,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 88 states and 102 transitions. [2021-11-23 00:28:43,036 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 102 transitions. [2021-11-23 00:28:43,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:28:43,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:43,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:43,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:43,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:43,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 90 states and 106 transitions. [2021-11-23 00:28:43,494 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 106 transitions. [2021-11-23 00:28:43,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:28:43,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:43,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:43,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:43,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:43,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 92 states and 110 transitions. [2021-11-23 00:28:43,997 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 110 transitions. [2021-11-23 00:28:43,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:28:43,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:43,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:44,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:47,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:47,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 94 states and 113 transitions. [2021-11-23 00:28:47,393 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 113 transitions. [2021-11-23 00:28:47,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:28:47,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:47,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:48,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:51,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:51,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 96 states and 116 transitions. [2021-11-23 00:28:51,915 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 116 transitions. [2021-11-23 00:28:51,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:28:51,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:51,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:52,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 98 states and 120 transitions. [2021-11-23 00:28:52,421 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 120 transitions. [2021-11-23 00:28:52,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:28:52,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:52,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:52,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:53,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:53,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 100 states and 123 transitions. [2021-11-23 00:28:53,732 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 123 transitions. [2021-11-23 00:28:53,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:28:53,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:53,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:53,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:53,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:53,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 101 states and 124 transitions. [2021-11-23 00:28:53,770 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2021-11-23 00:28:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:28:53,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:53,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:53,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:53,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:53,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 102 states and 124 transitions. [2021-11-23 00:28:53,813 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 124 transitions. [2021-11-23 00:28:53,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:28:53,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:53,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:54,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:55,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:55,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 105 states and 129 transitions. [2021-11-23 00:28:55,898 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 129 transitions. [2021-11-23 00:28:55,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:28:55,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:55,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:56,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:58,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:58,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 108 states and 135 transitions. [2021-11-23 00:28:58,500 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 135 transitions. [2021-11-23 00:28:58,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:28:58,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:58,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:59,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:59,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 107 states and 134 transitions. [2021-11-23 00:28:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 134 transitions. [2021-11-23 00:28:59,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:28:59,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:59,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:59,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:59,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:59,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 110 states and 138 transitions. [2021-11-23 00:28:59,486 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 138 transitions. [2021-11-23 00:28:59,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:28:59,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:59,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:01,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:11,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 127 states and 168 transitions. [2021-11-23 00:29:11,524 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 168 transitions. [2021-11-23 00:29:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:29:11,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:11,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:13,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:26,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:26,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 137 states and 185 transitions. [2021-11-23 00:29:26,287 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 185 transitions. [2021-11-23 00:29:26,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:29:26,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:26,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:26,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:29:29,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:29,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 143 states and 197 transitions. [2021-11-23 00:29:29,726 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 197 transitions. [2021-11-23 00:29:29,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:29:29,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:29,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:29,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:29:33,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:33,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 149 states and 213 transitions. [2021-11-23 00:29:33,586 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 213 transitions. [2021-11-23 00:29:33,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:29:33,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:33,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:33,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:29:34,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:34,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 148 states and 211 transitions. [2021-11-23 00:29:34,539 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 211 transitions. [2021-11-23 00:29:34,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:29:34,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:34,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:34,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:29:35,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 149 states and 211 transitions. [2021-11-23 00:29:35,096 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 211 transitions. [2021-11-23 00:29:35,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:29:35,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:35,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:45,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:45,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 156 states and 221 transitions. [2021-11-23 00:29:45,899 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 221 transitions. [2021-11-23 00:29:45,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:29:45,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:45,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:45,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:29:52,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:52,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 162 states and 234 transitions. [2021-11-23 00:29:52,056 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 234 transitions. [2021-11-23 00:29:52,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:29:52,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:52,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:52,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:29:57,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:57,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 168 states and 247 transitions. [2021-11-23 00:29:57,642 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 247 transitions. [2021-11-23 00:29:57,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:29:57,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:57,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:01,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:17,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:17,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 179 states and 264 transitions. [2021-11-23 00:30:17,265 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 264 transitions. [2021-11-23 00:30:17,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:30:17,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:17,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:20,939 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:40,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:40,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 192 states and 295 transitions. [2021-11-23 00:30:40,389 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 295 transitions. [2021-11-23 00:30:40,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:30:40,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:40,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:40,868 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:44,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:44,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 195 states and 298 transitions. [2021-11-23 00:30:44,931 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 298 transitions. [2021-11-23 00:30:44,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:30:44,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:44,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:45,292 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:30:48,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:48,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 199 states and 302 transitions. [2021-11-23 00:30:48,435 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 302 transitions. [2021-11-23 00:30:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:30:48,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:48,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:48,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:30:54,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:54,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 203 states and 310 transitions. [2021-11-23 00:30:54,210 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 310 transitions. [2021-11-23 00:30:54,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:30:54,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:54,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:54,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:30:55,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:55,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 204 states and 312 transitions. [2021-11-23 00:30:55,748 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 312 transitions. [2021-11-23 00:30:55,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:30:55,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:55,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:55,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:00,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:00,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 207 states and 315 transitions. [2021-11-23 00:31:00,156 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 315 transitions. [2021-11-23 00:31:00,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:31:00,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:00,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:00,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:04,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:04,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 210 states and 319 transitions. [2021-11-23 00:31:04,092 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 319 transitions. [2021-11-23 00:31:04,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:31:04,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:04,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:04,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:08,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:08,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 213 states and 322 transitions. [2021-11-23 00:31:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 322 transitions. [2021-11-23 00:31:08,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:31:08,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:08,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:08,305 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:31:10,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:10,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 166 states and 244 transitions. [2021-11-23 00:31:10,345 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 244 transitions. [2021-11-23 00:31:10,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:31:10,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:10,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:10,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:16,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:16,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 170 states and 249 transitions. [2021-11-23 00:31:16,856 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 249 transitions. [2021-11-23 00:31:16,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:31:16,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:16,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:16,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:19,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:19,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 171 states and 251 transitions. [2021-11-23 00:31:19,058 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 251 transitions. [2021-11-23 00:31:19,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:31:19,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:19,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:19,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:24,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:24,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 174 states and 254 transitions. [2021-11-23 00:31:24,267 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 254 transitions. [2021-11-23 00:31:24,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:31:24,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:24,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:24,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:28,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:28,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 177 states and 257 transitions. [2021-11-23 00:31:28,951 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 257 transitions. [2021-11-23 00:31:28,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:31:28,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:28,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:28,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:34,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:34,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 180 states and 260 transitions. [2021-11-23 00:31:34,256 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 260 transitions. [2021-11-23 00:31:34,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:31:34,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:34,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:40,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:09,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:09,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 190 states and 285 transitions. [2021-11-23 00:32:09,696 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 285 transitions. [2021-11-23 00:32:09,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:32:09,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:09,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:13,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:32:26,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:26,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 193 states and 294 transitions. [2021-11-23 00:32:26,506 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 294 transitions. [2021-11-23 00:32:26,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:32:26,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:26,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:33,123 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:32:47,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:47,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 74 states and 81 transitions. [2021-11-23 00:32:47,898 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2021-11-23 00:32:47,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:32:47,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:47,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:59,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:04,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:04,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2021-11-23 00:34:04,812 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2021-11-23 00:34:04,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:34:04,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:04,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:04,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:34:06,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:06,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 75 states and 83 transitions. [2021-11-23 00:34:06,578 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2021-11-23 00:34:06,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:34:06,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:06,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:12,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:21,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:21,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2021-11-23 00:34:21,489 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2021-11-23 00:34:21,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:34:21,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:21,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:21,507 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:34:26,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:26,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 81 states and 93 transitions. [2021-11-23 00:34:26,607 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2021-11-23 00:34:26,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:34:26,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:26,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:34:32,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:32,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 85 states and 100 transitions. [2021-11-23 00:34:32,038 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 100 transitions. [2021-11-23 00:34:32,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:34:32,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:32,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:41,439 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:27,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:27,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 90 states and 109 transitions. [2021-11-23 00:35:27,036 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 109 transitions. [2021-11-23 00:35:27,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:35:27,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:27,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:40,743 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:25,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:25,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 95 states and 118 transitions. [2021-11-23 00:36:25,978 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 118 transitions. [2021-11-23 00:36:25,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:36:25,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:25,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:25,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:36:27,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:27,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 96 states and 121 transitions. [2021-11-23 00:36:27,678 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 121 transitions. [2021-11-23 00:36:27,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:36:27,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:27,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:27,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:36:28,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:28,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 99 states and 128 transitions. [2021-11-23 00:36:28,811 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 128 transitions. [2021-11-23 00:36:28,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:36:28,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:28,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:20,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:20,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 104 states and 140 transitions. [2021-11-23 00:37:20,457 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 140 transitions. [2021-11-23 00:37:20,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:37:20,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:20,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:34,834 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:14,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:14,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 109 states and 148 transitions. [2021-11-23 00:39:14,236 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 148 transitions. [2021-11-23 00:39:14,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:39:14,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:14,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:30,917 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:31,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:31,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 114 states and 156 transitions. [2021-11-23 00:40:31,310 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 156 transitions. [2021-11-23 00:40:31,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:40:31,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:31,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat