./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2n_update_all.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_38fbd080-c38c-4204-8cef-1ff43a1895b2/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd080-c38c-4204-8cef-1ff43a1895b2/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_38fbd080-c38c-4204-8cef-1ff43a1895b2/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd080-c38c-4204-8cef-1ff43a1895b2/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2n_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd080-c38c-4204-8cef-1ff43a1895b2/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_38fbd080-c38c-4204-8cef-1ff43a1895b2/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 c46cc56772f2c3f0b073640343b328fb3b128ed13803ffe5a04f6290fe624494 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:13:44,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:13:44,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:13:44,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:13:44,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:13:44,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:13:44,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:13:44,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:13:44,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:13:44,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:13:44,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:13:44,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:13:44,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:13:44,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:13:44,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:13:44,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:13:44,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:13:44,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:13:44,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:13:44,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:13:44,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:13:44,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:13:44,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:13:44,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:13:44,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:13:44,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:13:44,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:13:44,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:13:44,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:13:44,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:13:44,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:13:44,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:13:44,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:13:44,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:13:44,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:13:44,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:13:44,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:13:44,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:13:44,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:13:44,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:13:44,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:13:44,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd080-c38c-4204-8cef-1ff43a1895b2/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:13:44,492 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:13:44,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:13:44,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:13:44,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:13:44,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:13:44,495 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:13:44,495 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:13:44,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:13:44,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:13:44,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:13:44,496 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:13:44,497 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:13:44,497 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:13:44,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:13:44,497 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:13:44,498 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:13:44,498 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:13:44,498 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:13:44,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:13:44,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:13:44,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:13:44,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:13:44,500 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:13:44,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:13:44,500 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_38fbd080-c38c-4204-8cef-1ff43a1895b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd080-c38c-4204-8cef-1ff43a1895b2/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c46cc56772f2c3f0b073640343b328fb3b128ed13803ffe5a04f6290fe624494 [2021-11-23 01:13:44,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:13:44,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:13:44,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:13:44,886 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:13:44,887 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:13:44,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd080-c38c-4204-8cef-1ff43a1895b2/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-simple/dll2n_update_all.i [2021-11-23 01:13:44,966 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd080-c38c-4204-8cef-1ff43a1895b2/bin/ukojak-LBtLqBUTdQ/data/5bb3bbf44/03e1407ec2b948f5ac6e2b0fc805ce0d/FLAGd2a051681 [2021-11-23 01:13:45,688 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:13:45,689 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd080-c38c-4204-8cef-1ff43a1895b2/sv-benchmarks/c/list-simple/dll2n_update_all.i [2021-11-23 01:13:45,710 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd080-c38c-4204-8cef-1ff43a1895b2/bin/ukojak-LBtLqBUTdQ/data/5bb3bbf44/03e1407ec2b948f5ac6e2b0fc805ce0d/FLAGd2a051681 [2021-11-23 01:13:45,934 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd080-c38c-4204-8cef-1ff43a1895b2/bin/ukojak-LBtLqBUTdQ/data/5bb3bbf44/03e1407ec2b948f5ac6e2b0fc805ce0d [2021-11-23 01:13:45,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:13:45,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:13:45,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:13:45,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:13:45,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:13:45,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:13:45" (1/1) ... [2021-11-23 01:13:45,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123f134d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:45, skipping insertion in model container [2021-11-23 01:13:45,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:13:45" (1/1) ... [2021-11-23 01:13:45,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:13:46,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:13:46,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd080-c38c-4204-8cef-1ff43a1895b2/sv-benchmarks/c/list-simple/dll2n_update_all.i[24455,24468] [2021-11-23 01:13:46,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:13:46,642 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:13:46,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd080-c38c-4204-8cef-1ff43a1895b2/sv-benchmarks/c/list-simple/dll2n_update_all.i[24455,24468] [2021-11-23 01:13:46,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:13:46,786 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:13:46,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:46 WrapperNode [2021-11-23 01:13:46,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:13:46,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:13:46,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:13:46,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:13:46,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:46" (1/1) ... [2021-11-23 01:13:46,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:46" (1/1) ... [2021-11-23 01:13:46,892 INFO L137 Inliner]: procedures = 126, calls = 27, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 117 [2021-11-23 01:13:46,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:13:46,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:13:46,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:13:46,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:13:46,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:46" (1/1) ... [2021-11-23 01:13:46,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:46" (1/1) ... [2021-11-23 01:13:46,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:46" (1/1) ... [2021-11-23 01:13:46,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:46" (1/1) ... [2021-11-23 01:13:46,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:46" (1/1) ... [2021-11-23 01:13:46,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:46" (1/1) ... [2021-11-23 01:13:46,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:46" (1/1) ... [2021-11-23 01:13:46,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:13:46,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:13:46,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:13:46,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:13:46,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:46" (1/1) ... [2021-11-23 01:13:47,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:13:47,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd080-c38c-4204-8cef-1ff43a1895b2/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:13:47,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd080-c38c-4204-8cef-1ff43a1895b2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:13:47,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd080-c38c-4204-8cef-1ff43a1895b2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:13:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:13:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:13:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:13:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:13:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:13:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:13:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:13:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:13:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:13:47,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:13:47,263 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:13:47,266 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:13:47,700 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:13:47,774 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:13:47,774 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 01:13:47,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:13:47 BoogieIcfgContainer [2021-11-23 01:13:47,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:13:47,779 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:13:47,779 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:13:47,790 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:13:47,791 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:13:47" (1/1) ... [2021-11-23 01:13:47,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:13:47,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:47,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 50 states and 58 transitions. [2021-11-23 01:13:47,919 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2021-11-23 01:13:47,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:13:47,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:47,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:48,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:48,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:48,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 49 states and 57 transitions. [2021-11-23 01:13:48,305 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2021-11-23 01:13:48,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:13:48,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:48,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:48,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:48,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:48,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 48 states and 56 transitions. [2021-11-23 01:13:48,505 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2021-11-23 01:13:48,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:13:48,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:48,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:48,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:48,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:48,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 49 states and 58 transitions. [2021-11-23 01:13:48,586 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2021-11-23 01:13:48,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:13:48,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:48,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:48,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:48,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:48,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2021-11-23 01:13:48,654 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2021-11-23 01:13:48,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:13:48,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:48,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:48,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:48,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:48,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2021-11-23 01:13:48,767 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2021-11-23 01:13:48,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:13:48,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:48,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:48,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:48,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:48,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2021-11-23 01:13:48,854 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2021-11-23 01:13:48,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:13:48,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:48,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:48,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:48,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:48,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2021-11-23 01:13:48,938 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2021-11-23 01:13:48,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:13:48,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:48,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:49,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:49,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:49,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 51 states and 62 transitions. [2021-11-23 01:13:49,392 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2021-11-23 01:13:49,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:13:49,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:49,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:49,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:49,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:49,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 58 states and 71 transitions. [2021-11-23 01:13:49,819 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2021-11-23 01:13:49,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:13:49,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:49,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:50,025 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:50,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 66 states and 85 transitions. [2021-11-23 01:13:50,879 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2021-11-23 01:13:50,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:13:50,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:50,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:51,051 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:52,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:52,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2021-11-23 01:13:52,085 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2021-11-23 01:13:52,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:13:52,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:52,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:52,205 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:52,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:52,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 76 states and 105 transitions. [2021-11-23 01:13:52,872 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2021-11-23 01:13:52,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:13:52,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:52,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:53,015 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:13:53,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:53,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 81 states and 117 transitions. [2021-11-23 01:13:53,878 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2021-11-23 01:13:53,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:13:53,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:53,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:54,076 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:55,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:55,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 86 states and 131 transitions. [2021-11-23 01:13:55,671 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2021-11-23 01:13:55,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:13:55,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:55,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:55,873 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:13:56,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:56,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 88 states and 137 transitions. [2021-11-23 01:13:56,687 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 137 transitions. [2021-11-23 01:13:56,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:13:56,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:56,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:56,833 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:13:56,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:56,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 91 states and 144 transitions. [2021-11-23 01:13:56,963 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 144 transitions. [2021-11-23 01:13:56,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:13:56,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:56,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:57,334 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:00,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:00,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 108 states and 180 transitions. [2021-11-23 01:14:00,595 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 180 transitions. [2021-11-23 01:14:00,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:14:00,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:00,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:00,636 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:14:01,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:01,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 110 states and 183 transitions. [2021-11-23 01:14:01,364 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 183 transitions. [2021-11-23 01:14:01,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:14:01,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:01,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:01,404 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:14:01,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:01,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 111 states and 184 transitions. [2021-11-23 01:14:01,430 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 184 transitions. [2021-11-23 01:14:01,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:14:01,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:01,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:01,492 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:14:02,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:02,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 114 states and 193 transitions. [2021-11-23 01:14:02,319 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 193 transitions. [2021-11-23 01:14:02,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:14:02,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:02,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:02,472 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:04,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:04,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 68 states and 101 transitions. [2021-11-23 01:14:04,290 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 101 transitions. [2021-11-23 01:14:04,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:14:04,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:04,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:04,690 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:14:06,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:06,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 72 states and 112 transitions. [2021-11-23 01:14:06,506 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2021-11-23 01:14:06,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:14:06,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:06,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:06,641 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:14:06,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:06,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 74 states and 116 transitions. [2021-11-23 01:14:06,753 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 116 transitions. [2021-11-23 01:14:06,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:14:06,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:06,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:06,873 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:14:07,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:07,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 75 states and 119 transitions. [2021-11-23 01:14:07,207 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2021-11-23 01:14:07,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:14:07,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:07,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:07,363 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:08,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:08,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 78 states and 126 transitions. [2021-11-23 01:14:08,994 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2021-11-23 01:14:08,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:14:08,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:08,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:10,317 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:18,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:18,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 84 states and 148 transitions. [2021-11-23 01:14:18,329 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 148 transitions. [2021-11-23 01:14:18,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:14:18,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:18,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:20,324 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:27,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:27,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 90 states and 169 transitions. [2021-11-23 01:14:27,387 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 169 transitions. [2021-11-23 01:14:27,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:14:27,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:27,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:27,426 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:14:28,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:28,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 91 states and 172 transitions. [2021-11-23 01:14:28,250 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 172 transitions. [2021-11-23 01:14:28,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:14:28,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:28,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:28,811 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:14:32,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:32,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 96 states and 191 transitions. [2021-11-23 01:14:32,980 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 191 transitions. [2021-11-23 01:14:32,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:14:32,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:32,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:33,704 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:45,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:45,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 103 states and 213 transitions. [2021-11-23 01:14:45,108 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 213 transitions. [2021-11-23 01:14:45,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:14:45,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:45,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:45,283 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:14:46,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:46,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 105 states and 222 transitions. [2021-11-23 01:14:46,986 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 222 transitions. [2021-11-23 01:14:46,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:14:46,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:46,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:47,572 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:14:49,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:49,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 106 states and 225 transitions. [2021-11-23 01:14:49,153 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 225 transitions. [2021-11-23 01:14:49,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:14:49,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:49,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:49,777 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:14:54,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:54,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 110 states and 244 transitions. [2021-11-23 01:14:54,202 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 244 transitions. [2021-11-23 01:14:54,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:14:54,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:54,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:54,641 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:14:55,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:55,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 111 states and 246 transitions. [2021-11-23 01:14:55,568 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 246 transitions. [2021-11-23 01:14:55,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:14:55,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:55,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:55,750 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:14:57,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:57,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 113 states and 261 transitions. [2021-11-23 01:14:57,743 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 261 transitions. [2021-11-23 01:14:57,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:14:57,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:57,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:57,784 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:14:59,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:59,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 114 states and 263 transitions. [2021-11-23 01:14:59,077 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 263 transitions. [2021-11-23 01:14:59,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:14:59,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:59,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:59,113 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:15:00,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:00,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 115 states and 264 transitions. [2021-11-23 01:15:00,086 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 264 transitions. [2021-11-23 01:15:00,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:15:00,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:00,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:00,119 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:15:02,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:02,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 117 states and 270 transitions. [2021-11-23 01:15:02,374 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 270 transitions. [2021-11-23 01:15:02,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:15:02,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:02,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:02,562 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:15:03,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:03,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 118 states and 272 transitions. [2021-11-23 01:15:03,350 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 272 transitions. [2021-11-23 01:15:03,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:15:03,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:03,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:03,389 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:15:04,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:04,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 119 states and 273 transitions. [2021-11-23 01:15:04,207 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 273 transitions. [2021-11-23 01:15:04,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:15:04,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:04,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:04,376 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:15:05,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:05,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 120 states and 279 transitions. [2021-11-23 01:15:05,517 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 279 transitions. [2021-11-23 01:15:05,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:15:05,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:05,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:05,548 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:15:06,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:06,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 121 states and 283 transitions. [2021-11-23 01:15:06,375 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 283 transitions. [2021-11-23 01:15:06,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:15:06,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:06,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:06,409 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:15:07,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:07,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 122 states and 284 transitions. [2021-11-23 01:15:07,318 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 284 transitions. [2021-11-23 01:15:07,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:15:07,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:07,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:07,459 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:15:10,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:10,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 125 states and 293 transitions. [2021-11-23 01:15:10,057 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 293 transitions. [2021-11-23 01:15:10,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:15:10,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:10,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:10,452 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:15:14,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:14,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 130 states and 307 transitions. [2021-11-23 01:15:14,686 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 307 transitions. [2021-11-23 01:15:14,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:15:14,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:14,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:14,830 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:15:15,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:15,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 131 states and 308 transitions. [2021-11-23 01:15:15,997 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 308 transitions. [2021-11-23 01:15:15,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:15:15,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:15,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:16,045 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:15:17,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:17,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 132 states and 309 transitions. [2021-11-23 01:15:17,286 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 309 transitions. [2021-11-23 01:15:17,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:15:17,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:17,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:17,670 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:15:18,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:18,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 133 states and 311 transitions. [2021-11-23 01:15:18,917 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 311 transitions. [2021-11-23 01:15:18,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:15:18,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:18,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:18,965 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:15:20,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:20,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 134 states and 314 transitions. [2021-11-23 01:15:20,197 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 314 transitions. [2021-11-23 01:15:20,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:15:20,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:20,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:20,569 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:15:21,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:21,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 135 states and 315 transitions. [2021-11-23 01:15:21,967 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 315 transitions. [2021-11-23 01:15:21,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:15:21,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:21,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:22,140 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:15:22,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:22,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 136 states and 317 transitions. [2021-11-23 01:15:22,896 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 317 transitions. [2021-11-23 01:15:22,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:15:22,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:22,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:15:24,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:24,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 137 states and 318 transitions. [2021-11-23 01:15:24,365 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 318 transitions. [2021-11-23 01:15:24,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:15:24,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:24,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:24,413 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:15:25,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:25,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 138 states and 319 transitions. [2021-11-23 01:15:25,711 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 319 transitions. [2021-11-23 01:15:25,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:15:25,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:25,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:25,864 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:15:27,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:27,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 139 states and 320 transitions. [2021-11-23 01:15:27,157 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 320 transitions. [2021-11-23 01:15:27,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:15:27,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:27,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:27,313 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:15:28,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:28,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 64 states and 83 transitions. [2021-11-23 01:15:28,333 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2021-11-23 01:15:28,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:15:28,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:28,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:33,500 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:57,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:57,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 70 states and 94 transitions. [2021-11-23 01:15:57,554 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2021-11-23 01:15:57,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:15:57,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:57,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:58,315 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:00,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:00,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 70 states and 93 transitions. [2021-11-23 01:16:00,170 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2021-11-23 01:16:00,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:16:00,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:00,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:00,824 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:02,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:02,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2021-11-23 01:16:02,363 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2021-11-23 01:16:02,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:16:02,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:02,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:03,051 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:04,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:04,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 68 states and 89 transitions. [2021-11-23 01:16:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2021-11-23 01:16:04,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:16:04,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:04,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:05,407 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:16:11,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:11,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 72 states and 98 transitions. [2021-11-23 01:16:11,028 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2021-11-23 01:16:11,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:16:11,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:11,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:11,070 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:16:14,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:14,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2021-11-23 01:16:14,570 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2021-11-23 01:16:14,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:16:14,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:14,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:14,613 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:16:27,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:27,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 82 states and 117 transitions. [2021-11-23 01:16:27,074 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2021-11-23 01:16:27,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:16:27,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:27,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:27,110 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:16:27,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:27,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 83 states and 118 transitions. [2021-11-23 01:16:27,160 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 118 transitions. [2021-11-23 01:16:27,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:16:27,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:27,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:27,213 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:16:28,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:28,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 83 states and 117 transitions. [2021-11-23 01:16:28,755 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2021-11-23 01:16:28,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:16:28,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:28,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:28,804 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:16:34,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:34,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 88 states and 134 transitions. [2021-11-23 01:16:34,029 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2021-11-23 01:16:34,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:16:34,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:34,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:34,060 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:16:35,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:35,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 88 states and 133 transitions. [2021-11-23 01:16:35,575 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 133 transitions. [2021-11-23 01:16:35,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:16:35,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:35,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:35,605 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:16:37,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:37,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 86 states and 130 transitions. [2021-11-23 01:16:37,008 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 130 transitions. [2021-11-23 01:16:37,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:16:37,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:37,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:37,032 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:16:39,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:39,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 88 states and 134 transitions. [2021-11-23 01:16:39,126 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2021-11-23 01:16:39,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:16:39,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:39,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:45,304 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:06,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:06,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 97 states and 154 transitions. [2021-11-23 01:17:06,985 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 154 transitions. [2021-11-23 01:17:06,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:17:06,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:06,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:10,655 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:31,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:31,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 106 states and 174 transitions. [2021-11-23 01:17:31,262 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 174 transitions. [2021-11-23 01:17:31,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:17:31,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:31,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:33,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:33,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 106 states and 173 transitions. [2021-11-23 01:17:33,875 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 173 transitions. [2021-11-23 01:17:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:17:33,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:33,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:34,709 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:17:38,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:38,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 109 states and 177 transitions. [2021-11-23 01:17:38,816 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 177 transitions. [2021-11-23 01:17:38,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:17:38,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:38,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:39,548 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:41,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:41,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 109 states and 176 transitions. [2021-11-23 01:17:41,175 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 176 transitions. [2021-11-23 01:17:41,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:17:41,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:41,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:41,642 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:43,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:43,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 109 states and 175 transitions. [2021-11-23 01:17:43,302 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 175 transitions. [2021-11-23 01:17:43,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:17:43,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:43,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:43,931 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:45,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:45,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 107 states and 170 transitions. [2021-11-23 01:17:45,809 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 170 transitions. [2021-11-23 01:17:45,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:17:45,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:45,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:46,333 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:48,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:48,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 107 states and 169 transitions. [2021-11-23 01:17:48,380 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 169 transitions. [2021-11-23 01:17:48,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:17:48,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:48,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:48,909 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:50,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:50,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 105 states and 166 transitions. [2021-11-23 01:17:50,683 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 166 transitions. [2021-11-23 01:17:50,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:17:50,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:50,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:55,103 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:22,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:22,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 115 states and 193 transitions. [2021-11-23 01:18:22,995 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 193 transitions. [2021-11-23 01:18:22,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:18:22,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:22,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:23,449 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:18:28,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 198 transitions. [2021-11-23 01:18:28,483 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2021-11-23 01:18:28,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:18:28,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:28,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:29,100 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:31,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:31,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 118 states and 197 transitions. [2021-11-23 01:18:31,514 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 197 transitions. [2021-11-23 01:18:31,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:18:31,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:31,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:32,087 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:18:37,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:37,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 121 states and 202 transitions. [2021-11-23 01:18:37,300 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 202 transitions. [2021-11-23 01:18:37,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:18:37,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:37,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:37,903 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:40,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:40,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 121 states and 201 transitions. [2021-11-23 01:18:40,069 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 201 transitions. [2021-11-23 01:18:40,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:18:40,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:40,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:40,714 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:43,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:43,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 119 states and 198 transitions. [2021-11-23 01:18:43,000 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 198 transitions. [2021-11-23 01:18:43,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:18:43,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:43,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:43,029 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:18:48,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:48,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 122 states and 206 transitions. [2021-11-23 01:18:48,572 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 206 transitions. [2021-11-23 01:18:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:18:48,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:48,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:49,288 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:19:00,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:00,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 130 states and 225 transitions. [2021-11-23 01:19:00,712 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 225 transitions. [2021-11-23 01:19:00,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:19:00,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:00,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:00,749 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:19:02,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:02,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 131 states and 227 transitions. [2021-11-23 01:19:02,929 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 227 transitions. [2021-11-23 01:19:02,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:19:02,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:02,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:03,570 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 01:19:12,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:12,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 136 states and 244 transitions. [2021-11-23 01:19:12,617 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 244 transitions. [2021-11-23 01:19:12,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:19:12,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:12,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:13,659 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:20:08,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:08,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 149 states and 286 transitions. [2021-11-23 01:20:08,077 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 286 transitions. [2021-11-23 01:20:08,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:20:08,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:08,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:08,121 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:20:11,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:11,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 151 states and 291 transitions. [2021-11-23 01:20:11,729 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 291 transitions. [2021-11-23 01:20:11,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:20:11,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:11,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:12,259 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 01:20:14,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:14,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 152 states and 294 transitions. [2021-11-23 01:20:14,315 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 294 transitions. [2021-11-23 01:20:14,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:20:14,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:14,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:14,340 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:20:19,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:19,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 155 states and 300 transitions. [2021-11-23 01:20:19,726 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 300 transitions. [2021-11-23 01:20:19,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:20:19,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:19,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:19,754 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:20:24,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:24,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 156 states and 300 transitions. [2021-11-23 01:20:24,996 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 300 transitions. [2021-11-23 01:20:24,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:20:24,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:24,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:25,160 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:20:56,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:56,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 168 states and 333 transitions. [2021-11-23 01:20:56,611 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 333 transitions. [2021-11-23 01:20:56,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:20:56,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:56,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:57,060 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 01:20:59,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:59,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 169 states and 335 transitions. [2021-11-23 01:20:59,167 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 335 transitions. [2021-11-23 01:20:59,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:20:59,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:59,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:59,204 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:01,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:01,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 170 states and 336 transitions. [2021-11-23 01:21:01,341 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 336 transitions. [2021-11-23 01:21:01,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:21:01,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:01,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:01,497 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:21:30,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:30,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 182 states and 364 transitions. [2021-11-23 01:21:30,887 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 364 transitions. [2021-11-23 01:21:30,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:21:30,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:30,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:30,912 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:21:34,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:34,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 184 states and 367 transitions. [2021-11-23 01:21:34,569 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 367 transitions. [2021-11-23 01:21:34,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:21:34,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:34,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:34,599 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:37,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:37,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 184 states and 366 transitions. [2021-11-23 01:21:37,494 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 366 transitions. [2021-11-23 01:21:37,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:21:37,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:37,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:21:42,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:42,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 187 states and 370 transitions. [2021-11-23 01:21:42,483 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 370 transitions. [2021-11-23 01:21:42,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:21:42,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:42,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:42,519 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:46,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:46,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 189 states and 373 transitions. [2021-11-23 01:21:46,720 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 373 transitions. [2021-11-23 01:21:46,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:21:46,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:46,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:47,163 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 01:21:48,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:48,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 190 states and 374 transitions. [2021-11-23 01:21:48,075 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 374 transitions. [2021-11-23 01:21:48,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:21:48,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:48,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:48,103 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:51,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:51,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 186 states and 368 transitions. [2021-11-23 01:21:51,018 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 368 transitions. [2021-11-23 01:21:51,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:21:51,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:51,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:51,039 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:21:54,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:54,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 188 states and 370 transitions. [2021-11-23 01:21:54,626 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 370 transitions. [2021-11-23 01:21:54,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:21:54,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:54,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:55,052 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 01:21:56,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:56,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 189 states and 372 transitions. [2021-11-23 01:21:56,906 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 372 transitions. [2021-11-23 01:21:56,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:21:56,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:56,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:57,050 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:21:59,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:59,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 189 states and 371 transitions. [2021-11-23 01:21:59,983 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 371 transitions. [2021-11-23 01:21:59,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:21:59,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:59,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:00,140 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:22:02,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:02,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 187 states and 368 transitions. [2021-11-23 01:22:02,760 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 368 transitions. [2021-11-23 01:22:02,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:22:02,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:02,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:04,691 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:22:06,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:06,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 188 states and 369 transitions. [2021-11-23 01:22:06,612 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 369 transitions. [2021-11-23 01:22:06,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:22:06,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:06,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:09,696 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:23:28,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:28,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 205 states and 409 transitions. [2021-11-23 01:23:28,510 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 409 transitions. [2021-11-23 01:23:28,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:23:28,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:28,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:28,621 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:23:35,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:35,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 208 states and 414 transitions. [2021-11-23 01:23:35,931 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 414 transitions. [2021-11-23 01:23:35,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:23:35,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:35,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:36,048 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:23:40,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:40,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 77 states and 91 transitions. [2021-11-23 01:23:40,646 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 91 transitions. [2021-11-23 01:23:40,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:23:40,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:40,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:40,673 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:23:46,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:46,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2021-11-23 01:23:46,962 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2021-11-23 01:23:46,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:23:46,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:46,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:46,993 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:23:50,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:50,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 78 states and 89 transitions. [2021-11-23 01:23:50,750 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2021-11-23 01:23:50,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:23:50,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:50,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:50,773 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:23:54,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:54,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 64 states and 73 transitions. [2021-11-23 01:23:54,318 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2021-11-23 01:23:54,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:23:54,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:54,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:54,336 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:23:59,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:59,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 63 states and 72 transitions. [2021-11-23 01:23:59,880 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2021-11-23 01:23:59,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:23:59,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:59,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:09,648 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:25:05,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:05,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 71 states and 82 transitions. [2021-11-23 01:25:05,449 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2021-11-23 01:25:05,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:25:05,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:05,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:14,538 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.