./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0134.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_30e54bdd-d940-4bd7-9db2-1d09eabd80da/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e54bdd-d940-4bd7-9db2-1d09eabd80da/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_30e54bdd-d940-4bd7-9db2-1d09eabd80da/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e54bdd-d940-4bd7-9db2-1d09eabd80da/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0134.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e54bdd-d940-4bd7-9db2-1d09eabd80da/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_30e54bdd-d940-4bd7-9db2-1d09eabd80da/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 554aa7448188134a862651a68c0992659f18748881f2b6912b6dbf17d440798c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:09:10,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:09:10,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:09:10,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:09:10,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:09:10,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:09:10,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:09:10,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:09:10,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:09:10,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:09:10,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:09:10,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:09:10,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:09:10,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:09:10,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:09:10,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:09:10,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:09:10,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:09:10,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:09:10,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:09:10,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:09:10,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:09:10,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:09:10,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:09:10,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:09:10,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:09:10,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:09:10,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:09:10,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:09:10,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:09:10,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:09:10,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:09:10,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:09:10,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:09:10,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:09:10,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:09:10,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:09:10,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:09:10,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:09:10,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:09:10,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:09:10,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e54bdd-d940-4bd7-9db2-1d09eabd80da/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-22 23:09:10,403 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:09:10,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:09:10,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:09:10,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:09:10,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:09:10,406 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:09:10,406 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:09:10,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:09:10,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:09:10,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:09:10,414 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 23:09:10,415 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 23:09:10,415 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-22 23:09:10,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:09:10,415 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:09:10,416 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:09:10,416 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:09:10,416 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:09:10,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:09:10,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:09:10,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:09:10,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:09:10,418 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:09:10,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:09:10,418 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_30e54bdd-d940-4bd7-9db2-1d09eabd80da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e54bdd-d940-4bd7-9db2-1d09eabd80da/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 554aa7448188134a862651a68c0992659f18748881f2b6912b6dbf17d440798c [2021-11-22 23:09:10,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:09:10,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:09:10,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:09:10,748 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:09:10,749 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:09:10,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e54bdd-d940-4bd7-9db2-1d09eabd80da/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/memsafety/test-0134.i [2021-11-22 23:09:10,824 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e54bdd-d940-4bd7-9db2-1d09eabd80da/bin/ukojak-LBtLqBUTdQ/data/608f38132/a125891f90c34bac8e344d7f4670f488/FLAGb0e2bf8b8 [2021-11-22 23:09:11,344 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:09:11,345 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e54bdd-d940-4bd7-9db2-1d09eabd80da/sv-benchmarks/c/memsafety/test-0134.i [2021-11-22 23:09:11,367 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e54bdd-d940-4bd7-9db2-1d09eabd80da/bin/ukojak-LBtLqBUTdQ/data/608f38132/a125891f90c34bac8e344d7f4670f488/FLAGb0e2bf8b8 [2021-11-22 23:09:11,665 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e54bdd-d940-4bd7-9db2-1d09eabd80da/bin/ukojak-LBtLqBUTdQ/data/608f38132/a125891f90c34bac8e344d7f4670f488 [2021-11-22 23:09:11,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:09:11,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:09:11,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:09:11,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:09:11,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:09:11,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:11" (1/1) ... [2021-11-22 23:09:11,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@756c1e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:11, skipping insertion in model container [2021-11-22 23:09:11,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:11" (1/1) ... [2021-11-22 23:09:11,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:09:11,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:09:12,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:09:12,078 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:09:12,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:09:12,196 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:09:12,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:12 WrapperNode [2021-11-22 23:09:12,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:09:12,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:09:12,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:09:12,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:09:12,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:12" (1/1) ... [2021-11-22 23:09:12,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:12" (1/1) ... [2021-11-22 23:09:12,295 INFO L137 Inliner]: procedures = 137, calls = 54, calls flagged for inlining = 19, calls inlined = 21, statements flattened = 192 [2021-11-22 23:09:12,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:09:12,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:09:12,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:09:12,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:09:12,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:12" (1/1) ... [2021-11-22 23:09:12,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:12" (1/1) ... [2021-11-22 23:09:12,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:12" (1/1) ... [2021-11-22 23:09:12,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:12" (1/1) ... [2021-11-22 23:09:12,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:12" (1/1) ... [2021-11-22 23:09:12,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:12" (1/1) ... [2021-11-22 23:09:12,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:12" (1/1) ... [2021-11-22 23:09:12,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:09:12,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:09:12,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:09:12,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:09:12,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:12" (1/1) ... [2021-11-22 23:09:12,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:09:12,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e54bdd-d940-4bd7-9db2-1d09eabd80da/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:09:12,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e54bdd-d940-4bd7-9db2-1d09eabd80da/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:09:12,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e54bdd-d940-4bd7-9db2-1d09eabd80da/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:09:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:09:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:09:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:09:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:09:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:09:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:09:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:09:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:09:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 23:09:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:09:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:09:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:09:12,617 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:09:12,618 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:09:13,189 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:09:13,293 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:09:13,294 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-22 23:09:13,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:13 BoogieIcfgContainer [2021-11-22 23:09:13,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:09:13,298 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:09:13,298 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:09:13,309 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:09:13,310 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:13" (1/1) ... [2021-11-22 23:09:13,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:09:13,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:13,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 131 states and 139 transitions. [2021-11-22 23:09:13,400 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 139 transitions. [2021-11-22 23:09:13,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:09:13,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:13,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:13,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:13,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:13,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 130 states and 137 transitions. [2021-11-22 23:09:13,620 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 137 transitions. [2021-11-22 23:09:13,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:09:13,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:13,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:13,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:13,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:13,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 129 states and 136 transitions. [2021-11-22 23:09:13,762 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 136 transitions. [2021-11-22 23:09:13,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:09:13,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:13,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:13,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:14,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:14,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 132 states and 142 transitions. [2021-11-22 23:09:14,091 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 142 transitions. [2021-11-22 23:09:14,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:09:14,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:14,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:14,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:15,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:15,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 135 states and 149 transitions. [2021-11-22 23:09:15,002 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 149 transitions. [2021-11-22 23:09:15,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:09:15,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:15,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:15,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:16,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:16,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 139 states and 159 transitions. [2021-11-22 23:09:16,111 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 159 transitions. [2021-11-22 23:09:16,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:09:16,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:16,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:16,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:17,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:17,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 143 states and 167 transitions. [2021-11-22 23:09:17,700 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2021-11-22 23:09:17,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:09:17,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:17,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:17,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:18,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:18,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 145 states and 172 transitions. [2021-11-22 23:09:18,482 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 172 transitions. [2021-11-22 23:09:18,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:09:18,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:18,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:18,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:20,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:20,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 147 states and 177 transitions. [2021-11-22 23:09:20,024 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 177 transitions. [2021-11-22 23:09:20,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:09:20,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:20,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:20,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:20,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:20,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 146 states and 176 transitions. [2021-11-22 23:09:20,074 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 176 transitions. [2021-11-22 23:09:20,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:09:20,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:20,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:20,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:20,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:20,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 147 states and 178 transitions. [2021-11-22 23:09:20,840 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 178 transitions. [2021-11-22 23:09:20,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:09:20,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:20,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:21,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:22,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:22,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 150 states and 184 transitions. [2021-11-22 23:09:22,189 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2021-11-22 23:09:22,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:09:22,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:22,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:22,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:23,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:23,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 153 states and 189 transitions. [2021-11-22 23:09:23,581 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 189 transitions. [2021-11-22 23:09:23,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:09:23,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:23,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:23,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:26,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:26,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 160 states and 203 transitions. [2021-11-22 23:09:26,164 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 203 transitions. [2021-11-22 23:09:26,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:09:26,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:26,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:26,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:29,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:29,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 167 states and 218 transitions. [2021-11-22 23:09:29,641 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 218 transitions. [2021-11-22 23:09:29,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:09:29,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:29,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:29,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:30,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:30,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 169 states and 220 transitions. [2021-11-22 23:09:30,365 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 220 transitions. [2021-11-22 23:09:30,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:09:30,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:30,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:32,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:32,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 172 states and 224 transitions. [2021-11-22 23:09:32,281 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 224 transitions. [2021-11-22 23:09:32,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:09:32,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:32,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:32,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:33,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:33,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 174 states and 227 transitions. [2021-11-22 23:09:33,227 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 227 transitions. [2021-11-22 23:09:33,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:33,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:33,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:34,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:38,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:38,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 181 states and 253 transitions. [2021-11-22 23:09:38,484 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 253 transitions. [2021-11-22 23:09:38,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:38,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:38,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:39,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 183 states and 257 transitions. [2021-11-22 23:09:39,830 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 257 transitions. [2021-11-22 23:09:39,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:39,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:39,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:39,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:41,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:41,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 185 states and 262 transitions. [2021-11-22 23:09:41,199 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 262 transitions. [2021-11-22 23:09:41,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:41,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:41,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:42,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:45,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:45,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 189 states and 276 transitions. [2021-11-22 23:09:45,735 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 276 transitions. [2021-11-22 23:09:45,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:45,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:45,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:45,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:46,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:46,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 190 states and 281 transitions. [2021-11-22 23:09:46,442 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 281 transitions. [2021-11-22 23:09:46,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:46,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:46,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:46,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:47,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:47,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 192 states and 285 transitions. [2021-11-22 23:09:47,957 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 285 transitions. [2021-11-22 23:09:47,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:47,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:47,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:48,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:48,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 193 states and 287 transitions. [2021-11-22 23:09:48,733 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 287 transitions. [2021-11-22 23:09:48,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:48,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:48,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:48,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:50,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:50,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 195 states and 289 transitions. [2021-11-22 23:09:50,319 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 289 transitions. [2021-11-22 23:09:50,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:50,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:50,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:50,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:51,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:51,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 196 states and 291 transitions. [2021-11-22 23:09:51,208 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 291 transitions. [2021-11-22 23:09:51,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:51,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:51,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:51,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:52,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:52,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 198 states and 293 transitions. [2021-11-22 23:09:52,604 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 293 transitions. [2021-11-22 23:09:52,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:09:52,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:52,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:52,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:53,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:53,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 200 states and 296 transitions. [2021-11-22 23:09:53,315 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 296 transitions. [2021-11-22 23:09:53,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:09:53,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:53,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:53,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:54,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:54,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 204 states and 303 transitions. [2021-11-22 23:09:54,329 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 303 transitions. [2021-11-22 23:09:54,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:09:54,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:54,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:54,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:54,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:54,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 206 states and 305 transitions. [2021-11-22 23:09:54,378 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 305 transitions. [2021-11-22 23:09:54,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:09:54,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:54,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:55,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:55,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:55,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 208 states and 308 transitions. [2021-11-22 23:09:55,220 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 308 transitions. [2021-11-22 23:09:55,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:09:55,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:55,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:55,259 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:09:56,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:56,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 209 states and 311 transitions. [2021-11-22 23:09:56,850 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 311 transitions. [2021-11-22 23:09:56,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:09:56,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:56,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:56,872 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:09:58,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:58,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 210 states and 313 transitions. [2021-11-22 23:09:58,336 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 313 transitions. [2021-11-22 23:09:58,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:09:58,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:58,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:58,373 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:09:59,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:59,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 210 states and 312 transitions. [2021-11-22 23:09:59,111 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 312 transitions. [2021-11-22 23:09:59,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:09:59,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:59,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:59,139 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:09:59,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:59,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 210 states and 311 transitions. [2021-11-22 23:09:59,977 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 311 transitions. [2021-11-22 23:09:59,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:09:59,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:59,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:59,999 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:10:01,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:01,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 209 states and 309 transitions. [2021-11-22 23:10:01,050 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 309 transitions. [2021-11-22 23:10:01,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:10:01,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:01,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:01,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:10:02,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:02,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 208 states and 306 transitions. [2021-11-22 23:10:02,037 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 306 transitions. [2021-11-22 23:10:02,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:10:02,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:02,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:02,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:04,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:04,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 215 states and 319 transitions. [2021-11-22 23:10:04,931 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 319 transitions. [2021-11-22 23:10:04,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:10:04,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:04,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:05,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:08,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:08,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 222 states and 330 transitions. [2021-11-22 23:10:08,987 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 330 transitions. [2021-11-22 23:10:08,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:10:08,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:08,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:09,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:10,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:10,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 221 states and 329 transitions. [2021-11-22 23:10:10,112 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 329 transitions. [2021-11-22 23:10:10,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:10:10,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:10,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:10,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:11,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:11,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 224 states and 333 transitions. [2021-11-22 23:10:11,238 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 333 transitions. [2021-11-22 23:10:11,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:10:11,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:11,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:10:12,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:12,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 224 states and 332 transitions. [2021-11-22 23:10:12,113 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 332 transitions. [2021-11-22 23:10:12,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:10:12,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:12,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:12,135 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:10:12,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:12,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 224 states and 331 transitions. [2021-11-22 23:10:12,997 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 331 transitions. [2021-11-22 23:10:12,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:10:12,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:12,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:13,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:14,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:14,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 226 states and 335 transitions. [2021-11-22 23:10:14,381 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 335 transitions. [2021-11-22 23:10:14,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:10:14,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:14,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:14,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:15,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:15,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 228 states and 338 transitions. [2021-11-22 23:10:15,681 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 338 transitions. [2021-11-22 23:10:15,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:10:15,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:15,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:15,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:16,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:16,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 233 states and 347 transitions. [2021-11-22 23:10:16,984 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 347 transitions. [2021-11-22 23:10:16,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:10:16,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:16,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:18,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:27,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:27,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 247 states and 375 transitions. [2021-11-22 23:10:27,659 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 375 transitions. [2021-11-22 23:10:27,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:10:27,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:27,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:29,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:31,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:31,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 249 states and 378 transitions. [2021-11-22 23:10:31,753 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 378 transitions. [2021-11-22 23:10:31,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:10:31,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:31,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:32,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:32,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:32,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 251 states and 380 transitions. [2021-11-22 23:10:32,785 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 380 transitions. [2021-11-22 23:10:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:10:32,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:32,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:33,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:34,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:34,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 252 states and 382 transitions. [2021-11-22 23:10:34,564 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 382 transitions. [2021-11-22 23:10:34,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:10:34,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:34,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:40,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:40,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 253 states and 384 transitions. [2021-11-22 23:10:40,137 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 384 transitions. [2021-11-22 23:10:40,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:10:40,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:40,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:41,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:45,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:45,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 260 states and 394 transitions. [2021-11-22 23:10:45,529 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 394 transitions. [2021-11-22 23:10:45,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:10:45,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:45,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:45,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:49,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:49,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 267 states and 407 transitions. [2021-11-22 23:10:49,928 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 407 transitions. [2021-11-22 23:10:49,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:10:49,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:49,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:50,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:56,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:56,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 274 states and 421 transitions. [2021-11-22 23:10:56,925 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 421 transitions. [2021-11-22 23:10:56,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:10:56,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:56,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:56,954 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:10:59,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:59,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 275 states and 423 transitions. [2021-11-22 23:10:59,286 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 423 transitions. [2021-11-22 23:10:59,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:10:59,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:59,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:59,553 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:02,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:02,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 277 states and 427 transitions. [2021-11-22 23:11:02,078 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 427 transitions. [2021-11-22 23:11:02,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:11:02,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:02,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:02,340 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:03,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:03,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 277 states and 425 transitions. [2021-11-22 23:11:03,802 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 425 transitions. [2021-11-22 23:11:03,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:11:03,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:03,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:04,067 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:05,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:05,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 277 states and 424 transitions. [2021-11-22 23:11:05,238 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 424 transitions. [2021-11-22 23:11:05,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:11:05,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:05,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:05,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:08,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:08,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 280 states and 433 transitions. [2021-11-22 23:11:08,282 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 433 transitions. [2021-11-22 23:11:08,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:11:08,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:08,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:08,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:15,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:15,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 288 states and 450 transitions. [2021-11-22 23:11:15,744 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 450 transitions. [2021-11-22 23:11:15,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:11:15,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:15,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:16,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:24,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:24,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 296 states and 467 transitions. [2021-11-22 23:11:24,809 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 467 transitions. [2021-11-22 23:11:24,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:11:24,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:24,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:27,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:43,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:43,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 312 states and 509 transitions. [2021-11-22 23:11:43,854 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 509 transitions. [2021-11-22 23:11:43,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:11:43,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:43,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:47,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:06,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:06,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 326 states and 540 transitions. [2021-11-22 23:12:06,101 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 540 transitions. [2021-11-22 23:12:06,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:12:06,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:06,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:06,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:09,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:09,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 329 states and 543 transitions. [2021-11-22 23:12:09,677 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 543 transitions. [2021-11-22 23:12:09,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:12:09,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:09,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:11,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:24,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:24,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 341 states and 565 transitions. [2021-11-22 23:12:24,668 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 565 transitions. [2021-11-22 23:12:24,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:12:24,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:24,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:25,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:33,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:33,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 347 states and 577 transitions. [2021-11-22 23:12:33,893 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 577 transitions. [2021-11-22 23:12:33,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:12:33,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:33,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:33,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:42,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:42,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 353 states and 586 transitions. [2021-11-22 23:12:42,415 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 586 transitions. [2021-11-22 23:12:42,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:12:42,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:42,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:42,912 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:12:48,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:48,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 268 states and 404 transitions. [2021-11-22 23:12:48,114 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 404 transitions. [2021-11-22 23:12:48,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:12:48,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:48,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:48,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:48,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:48,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 267 states and 403 transitions. [2021-11-22 23:12:48,145 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 403 transitions. [2021-11-22 23:12:48,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:12:48,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:48,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:17,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:17,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 277 states and 425 transitions. [2021-11-22 23:13:17,168 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 425 transitions. [2021-11-22 23:13:17,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:13:17,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:17,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:21,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:27,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:27,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 281 states and 433 transitions. [2021-11-22 23:13:27,676 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 433 transitions. [2021-11-22 23:13:27,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:13:27,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:27,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:28,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:35,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:35,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 285 states and 439 transitions. [2021-11-22 23:13:35,959 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 439 transitions. [2021-11-22 23:13:35,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:13:35,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:35,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:42,320 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:01,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:01,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 295 states and 455 transitions. [2021-11-22 23:14:01,360 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 455 transitions. [2021-11-22 23:14:01,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:14:01,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:01,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:01,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:04,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:04,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 298 states and 460 transitions. [2021-11-22 23:14:04,834 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 460 transitions. [2021-11-22 23:14:04,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:14:04,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:04,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:05,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:11,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:11,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 302 states and 466 transitions. [2021-11-22 23:14:11,087 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 466 transitions. [2021-11-22 23:14:11,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:14:11,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:11,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:11,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:11,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 301 states and 465 transitions. [2021-11-22 23:14:11,120 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 465 transitions. [2021-11-22 23:14:11,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:14:11,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:11,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:13,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:17,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:17,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 302 states and 467 transitions. [2021-11-22 23:14:17,392 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 467 transitions. [2021-11-22 23:14:17,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:14:17,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:17,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:20,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:27,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:27,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 302 states and 466 transitions. [2021-11-22 23:14:27,483 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 466 transitions. [2021-11-22 23:14:27,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:14:27,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:27,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:28,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:35,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:35,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 306 states and 473 transitions. [2021-11-22 23:14:35,640 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 473 transitions. [2021-11-22 23:14:35,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:14:35,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:35,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:36,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:47,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:47,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 310 states and 480 transitions. [2021-11-22 23:14:47,617 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 480 transitions. [2021-11-22 23:14:47,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:14:47,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:47,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:50,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:02,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:02,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 316 states and 492 transitions. [2021-11-22 23:15:02,269 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 492 transitions. [2021-11-22 23:15:02,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:15:02,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:02,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:07,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:46,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 328 states and 518 transitions. [2021-11-22 23:15:46,574 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 518 transitions. [2021-11-22 23:15:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:46,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:46,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:48,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:51,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:51,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 329 states and 521 transitions. [2021-11-22 23:15:51,432 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 521 transitions. [2021-11-22 23:15:51,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:51,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:51,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:51,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:53,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:53,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 329 states and 520 transitions. [2021-11-22 23:15:53,419 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 520 transitions. [2021-11-22 23:15:53,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:53,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:53,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:03,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:53,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:53,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 342 states and 550 transitions. [2021-11-22 23:16:53,233 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 550 transitions. [2021-11-22 23:16:53,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:16:53,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:53,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:04,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:06,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:06,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 355 states and 580 transitions. [2021-11-22 23:18:06,781 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 580 transitions. [2021-11-22 23:18:06,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:18:06,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:06,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:28,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 361 states and 592 transitions. [2021-11-22 23:18:28,149 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 592 transitions. [2021-11-22 23:18:28,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:18:28,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:28,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:31,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:52,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:52,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 368 states and 604 transitions. [2021-11-22 23:18:52,083 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 604 transitions. [2021-11-22 23:18:52,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:18:52,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:52,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:25,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:25,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 379 states and 626 transitions. [2021-11-22 23:19:25,199 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 626 transitions. [2021-11-22 23:19:25,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:19:25,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:25,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:02,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:02,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 390 states and 648 transitions. [2021-11-22 23:20:02,272 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 648 transitions. [2021-11-22 23:20:02,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:20:02,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:02,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:03,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:12,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 390 states and 647 transitions. [2021-11-22 23:20:12,222 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 647 transitions. [2021-11-22 23:20:12,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:20:12,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:12,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:20,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.