./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4223d7b1-d1e0-47ba-81e0-bb616bc9b13d/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4223d7b1-d1e0-47ba-81e0-bb616bc9b13d/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4223d7b1-d1e0-47ba-81e0-bb616bc9b13d/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4223d7b1-d1e0-47ba-81e0-bb616bc9b13d/bin/ukojak-d1pc8ZmBRL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4223d7b1-d1e0-47ba-81e0-bb616bc9b13d/bin/ukojak-d1pc8ZmBRL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4223d7b1-d1e0-47ba-81e0-bb616bc9b13d/bin/ukojak-d1pc8ZmBRL --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 b19ed65fc9d9f8e19f4d644b05d37e3da28cb107a90eedb15c652c094a7f23f1 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:46:07,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:46:07,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:46:07,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:46:07,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:46:07,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:46:07,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:46:07,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:46:07,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:46:07,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:46:07,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:46:07,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:46:07,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:46:07,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:46:07,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:46:07,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:46:07,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:46:07,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:46:07,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:46:07,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:46:07,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:46:07,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:46:07,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:46:07,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:46:07,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:46:07,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:46:07,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:46:07,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:46:07,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:46:07,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:46:07,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:46:07,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:46:07,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:46:07,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:46:07,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:46:07,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:46:07,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:46:07,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:46:07,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:46:07,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:46:07,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:46:08,000 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4223d7b1-d1e0-47ba-81e0-bb616bc9b13d/bin/ukojak-d1pc8ZmBRL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-25 07:46:08,066 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:46:08,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:46:08,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:46:08,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:46:08,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:46:08,074 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:46:08,074 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 07:46:08,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:46:08,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:46:08,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:46:08,084 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 07:46:08,084 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 07:46:08,084 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 07:46:08,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:46:08,085 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:46:08,085 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:46:08,085 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:46:08,085 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:46:08,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:46:08,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:46:08,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:46:08,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:46:08,087 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:46:08,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:46:08,087 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_4223d7b1-d1e0-47ba-81e0-bb616bc9b13d/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4223d7b1-d1e0-47ba-81e0-bb616bc9b13d/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b19ed65fc9d9f8e19f4d644b05d37e3da28cb107a90eedb15c652c094a7f23f1 [2021-11-25 07:46:08,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:46:08,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:46:08,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:46:08,538 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:46:08,539 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:46:08,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4223d7b1-d1e0-47ba-81e0-bb616bc9b13d/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i [2021-11-25 07:46:08,643 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4223d7b1-d1e0-47ba-81e0-bb616bc9b13d/bin/ukojak-d1pc8ZmBRL/data/9c8bcd7ae/e1b7a90a8a494058b1786e3f010a48a1/FLAG35c8aa35a [2021-11-25 07:46:09,340 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:46:09,340 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4223d7b1-d1e0-47ba-81e0-bb616bc9b13d/sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i [2021-11-25 07:46:09,357 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4223d7b1-d1e0-47ba-81e0-bb616bc9b13d/bin/ukojak-d1pc8ZmBRL/data/9c8bcd7ae/e1b7a90a8a494058b1786e3f010a48a1/FLAG35c8aa35a [2021-11-25 07:46:09,659 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4223d7b1-d1e0-47ba-81e0-bb616bc9b13d/bin/ukojak-d1pc8ZmBRL/data/9c8bcd7ae/e1b7a90a8a494058b1786e3f010a48a1 [2021-11-25 07:46:09,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:46:09,664 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:46:09,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:46:09,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:46:09,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:46:09,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:46:09" (1/1) ... [2021-11-25 07:46:09,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d0052f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:09, skipping insertion in model container [2021-11-25 07:46:09,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:46:09" (1/1) ... [2021-11-25 07:46:09,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:46:09,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:46:10,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:46:10,203 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:46:10,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:46:10,308 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:46:10,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:10 WrapperNode [2021-11-25 07:46:10,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:46:10,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:46:10,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:46:10,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:46:10,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:10" (1/1) ... [2021-11-25 07:46:10,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:10" (1/1) ... [2021-11-25 07:46:10,390 INFO L137 Inliner]: procedures = 123, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2021-11-25 07:46:10,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:46:10,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:46:10,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:46:10,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:46:10,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:10" (1/1) ... [2021-11-25 07:46:10,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:10" (1/1) ... [2021-11-25 07:46:10,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:10" (1/1) ... [2021-11-25 07:46:10,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:10" (1/1) ... [2021-11-25 07:46:10,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:10" (1/1) ... [2021-11-25 07:46:10,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:10" (1/1) ... [2021-11-25 07:46:10,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:10" (1/1) ... [2021-11-25 07:46:10,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:46:10,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:46:10,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:46:10,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:46:10,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:10" (1/1) ... [2021-11-25 07:46:10,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:46:10,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4223d7b1-d1e0-47ba-81e0-bb616bc9b13d/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:46:10,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4223d7b1-d1e0-47ba-81e0-bb616bc9b13d/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:46:10,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4223d7b1-d1e0-47ba-81e0-bb616bc9b13d/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:46:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 07:46:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:46:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 07:46:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 07:46:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 07:46:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:46:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:46:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:46:10,676 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:46:10,680 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:46:10,978 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:46:11,047 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:46:11,048 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 07:46:11,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:46:11 BoogieIcfgContainer [2021-11-25 07:46:11,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:46:11,053 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:46:11,054 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:46:11,072 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:46:11,072 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:46:11" (1/1) ... [2021-11-25 07:46:11,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:46:11,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:11,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 52 states and 56 transitions. [2021-11-25 07:46:11,245 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2021-11-25 07:46:11,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-25 07:46:11,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:11,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:11,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:11,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:11,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 51 states and 55 transitions. [2021-11-25 07:46:11,590 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2021-11-25 07:46:11,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-25 07:46:11,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:11,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:11,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:11,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 50 states and 54 transitions. [2021-11-25 07:46:11,846 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2021-11-25 07:46:11,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 07:46:11,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:11,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:11,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:11,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:11,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2021-11-25 07:46:11,975 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2021-11-25 07:46:11,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 07:46:11,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:11,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:12,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:12,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:12,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2021-11-25 07:46:12,110 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2021-11-25 07:46:12,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:46:12,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:12,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:12,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:12,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:12,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2021-11-25 07:46:12,227 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2021-11-25 07:46:12,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:46:12,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:12,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:12,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:12,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:12,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2021-11-25 07:46:12,322 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2021-11-25 07:46:12,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 07:46:12,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:12,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:12,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:12,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:12,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 45 states and 48 transitions. [2021-11-25 07:46:12,409 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2021-11-25 07:46:12,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 07:46:12,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:12,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:12,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:12,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:12,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2021-11-25 07:46:12,527 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2021-11-25 07:46:12,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:46:12,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:12,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:12,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:12,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:12,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 47 states and 53 transitions. [2021-11-25 07:46:12,852 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2021-11-25 07:46:12,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:46:12,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:12,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:13,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:13,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 61 transitions. [2021-11-25 07:46:13,095 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2021-11-25 07:46:13,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:46:13,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:13,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:13,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:13,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 55 states and 68 transitions. [2021-11-25 07:46:13,634 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2021-11-25 07:46:13,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:46:13,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:13,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:13,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:14,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:14,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 57 states and 72 transitions. [2021-11-25 07:46:14,002 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2021-11-25 07:46:14,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:46:14,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:14,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:14,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:14,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:14,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2021-11-25 07:46:14,421 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2021-11-25 07:46:14,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 07:46:14,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:14,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:14,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:14,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:14,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2021-11-25 07:46:14,710 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2021-11-25 07:46:14,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 07:46:14,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:14,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:14,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:15,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:15,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2021-11-25 07:46:15,270 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2021-11-25 07:46:15,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:46:15,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:15,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:15,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:15,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:15,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2021-11-25 07:46:15,374 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2021-11-25 07:46:15,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:46:15,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:15,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:15,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:15,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:15,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2021-11-25 07:46:15,534 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2021-11-25 07:46:15,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:46:15,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:15,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:15,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:15,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:15,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2021-11-25 07:46:15,605 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2021-11-25 07:46:15,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:46:15,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:15,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:15,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:15,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:15,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2021-11-25 07:46:15,693 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2021-11-25 07:46:15,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:46:15,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:15,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:15,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:15,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:15,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2021-11-25 07:46:15,756 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2021-11-25 07:46:15,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:46:15,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:15,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:15,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:16,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:16,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 72 states and 101 transitions. [2021-11-25 07:46:16,272 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2021-11-25 07:46:16,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:46:16,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:16,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:16,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:16,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:16,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 73 states and 103 transitions. [2021-11-25 07:46:16,339 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2021-11-25 07:46:16,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 07:46:16,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:16,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:16,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:18,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:18,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 79 states and 113 transitions. [2021-11-25 07:46:18,061 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2021-11-25 07:46:18,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 07:46:18,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:18,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:18,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:20,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:20,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 87 states and 127 transitions. [2021-11-25 07:46:20,028 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2021-11-25 07:46:20,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 07:46:20,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:20,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:20,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:20,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:20,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 90 states and 137 transitions. [2021-11-25 07:46:20,495 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 137 transitions. [2021-11-25 07:46:20,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:46:20,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:20,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:20,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:24,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:24,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 99 states and 154 transitions. [2021-11-25 07:46:24,404 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 154 transitions. [2021-11-25 07:46:24,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:46:24,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:24,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:24,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:29,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:29,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 110 states and 177 transitions. [2021-11-25 07:46:29,305 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 177 transitions. [2021-11-25 07:46:29,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:46:29,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:29,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:29,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:29,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:29,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 111 states and 179 transitions. [2021-11-25 07:46:29,811 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 179 transitions. [2021-11-25 07:46:29,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:46:29,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:29,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:30,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:30,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2021-11-25 07:46:30,869 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2021-11-25 07:46:30,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:46:30,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:30,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:31,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:32,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:32,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 119 states and 204 transitions. [2021-11-25 07:46:32,597 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 204 transitions. [2021-11-25 07:46:32,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:46:32,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:32,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:32,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:32,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:32,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 119 states and 203 transitions. [2021-11-25 07:46:32,826 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 203 transitions. [2021-11-25 07:46:32,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:46:32,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:32,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:32,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:33,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 122 states and 209 transitions. [2021-11-25 07:46:33,857 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 209 transitions. [2021-11-25 07:46:33,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:46:33,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:33,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:33,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:33,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:33,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 89 states and 146 transitions. [2021-11-25 07:46:33,922 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 146 transitions. [2021-11-25 07:46:33,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:46:33,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:33,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:33,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:35,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:35,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 90 states and 148 transitions. [2021-11-25 07:46:35,116 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 148 transitions. [2021-11-25 07:46:35,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:46:35,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:35,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:35,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:40,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:40,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 99 states and 164 transitions. [2021-11-25 07:46:40,384 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 164 transitions. [2021-11-25 07:46:40,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:46:40,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:40,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:40,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:40,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 96 states and 157 transitions. [2021-11-25 07:46:40,458 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 157 transitions. [2021-11-25 07:46:40,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:46:40,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:40,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:40,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:41,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:41,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 94 states and 153 transitions. [2021-11-25 07:46:41,464 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 153 transitions. [2021-11-25 07:46:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 07:46:41,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:41,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:42,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:48,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:48,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 101 states and 165 transitions. [2021-11-25 07:46:48,807 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 165 transitions. [2021-11-25 07:46:48,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 07:46:48,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:48,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:49,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:57,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 109 states and 184 transitions. [2021-11-25 07:46:57,576 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 184 transitions. [2021-11-25 07:46:57,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 07:46:57,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:57,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:46:57,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:46:59,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:46:59,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 112 states and 186 transitions. [2021-11-25 07:46:59,268 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 186 transitions. [2021-11-25 07:46:59,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 07:46:59,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:46:59,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:46:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:47:00,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:47:10,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:47:10,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 117 states and 195 transitions. [2021-11-25 07:47:10,094 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 195 transitions. [2021-11-25 07:47:10,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 07:47:10,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:47:10,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:47:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:47:11,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:47:23,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:47:23,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 124 states and 210 transitions. [2021-11-25 07:47:23,984 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 210 transitions. [2021-11-25 07:47:23,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 07:47:23,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:47:23,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:47:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:47:25,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:47:38,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:47:38,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 131 states and 224 transitions. [2021-11-25 07:47:38,002 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 224 transitions. [2021-11-25 07:47:38,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 07:47:38,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:47:38,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:47:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:47:38,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:47:46,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:47:46,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 139 states and 236 transitions. [2021-11-25 07:47:46,466 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 236 transitions. [2021-11-25 07:47:46,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 07:47:46,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:47:46,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:47:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:47:48,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:48:00,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:00,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 147 states and 248 transitions. [2021-11-25 07:48:00,376 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 248 transitions. [2021-11-25 07:48:00,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:48:00,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:00,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:04,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:48:23,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:23,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 155 states and 264 transitions. [2021-11-25 07:48:23,210 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 264 transitions. [2021-11-25 07:48:23,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:48:23,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:23,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:23,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:48:26,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:26,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 158 states and 269 transitions. [2021-11-25 07:48:26,771 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 269 transitions. [2021-11-25 07:48:26,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:48:26,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:26,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:29,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:48:54,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:48:54,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 171 states and 309 transitions. [2021-11-25 07:48:54,148 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 309 transitions. [2021-11-25 07:48:54,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:48:54,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:48:54,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:48:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:48:54,216 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:49:11,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:49:11,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 179 states and 321 transitions. [2021-11-25 07:49:11,608 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 321 transitions. [2021-11-25 07:49:11,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:49:11,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:49:11,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:49:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:49:14,578 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:49:36,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:49:36,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 193 states and 345 transitions. [2021-11-25 07:49:36,593 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 345 transitions. [2021-11-25 07:49:36,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:49:36,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:49:36,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:49:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:49:39,067 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:50:02,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:50:02,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 200 states and 360 transitions. [2021-11-25 07:50:02,167 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 360 transitions. [2021-11-25 07:50:02,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:50:02,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:50:02,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:50:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:50:05,846 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:50:35,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:50:35,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 212 states and 402 transitions. [2021-11-25 07:50:35,687 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 402 transitions. [2021-11-25 07:50:35,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 07:50:35,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:50:35,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:50:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:50:36,069 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 07:50:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:50:37,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 211 states and 389 transitions. [2021-11-25 07:50:37,388 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 389 transitions. [2021-11-25 07:50:37,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 07:50:37,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:50:37,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:50:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:50:39,293 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:50:41,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:50:41,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 212 states and 392 transitions. [2021-11-25 07:50:41,890 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 392 transitions. [2021-11-25 07:50:41,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 07:50:41,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:50:41,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:50:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:50:45,509 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:10,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:10,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 226 states and 416 transitions. [2021-11-25 07:51:10,471 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 416 transitions. [2021-11-25 07:51:10,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 07:51:10,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:10,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:14,249 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:41,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:41,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 233 states and 431 transitions. [2021-11-25 07:51:41,894 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 431 transitions. [2021-11-25 07:51:41,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 07:51:41,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:41,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:04,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:04,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 245 states and 451 transitions. [2021-11-25 07:52:04,147 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 451 transitions. [2021-11-25 07:52:04,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 07:52:04,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:04,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:04,201 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:26,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:26,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 253 states and 466 transitions. [2021-11-25 07:52:26,466 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 466 transitions. [2021-11-25 07:52:26,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 07:52:26,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:26,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:26,618 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:36,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:36,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 259 states and 477 transitions. [2021-11-25 07:52:36,335 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 477 transitions. [2021-11-25 07:52:36,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 07:52:36,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:36,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:36,391 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:46,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:46,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 265 states and 488 transitions. [2021-11-25 07:52:46,527 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 488 transitions. [2021-11-25 07:52:46,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 07:52:46,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:46,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:46,623 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:53:22,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:53:22,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 283 states and 519 transitions. [2021-11-25 07:53:22,189 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 519 transitions. [2021-11-25 07:53:22,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 07:53:22,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:53:22,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:53:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:53:30,168 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:54:06,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:54:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 291 states and 535 transitions. [2021-11-25 07:54:06,112 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 535 transitions. [2021-11-25 07:54:06,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 07:54:06,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:54:06,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:54:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:54:12,088 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:54:26,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:54:26,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 297 states and 547 transitions. [2021-11-25 07:54:26,425 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 547 transitions. [2021-11-25 07:54:26,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 07:54:26,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:54:26,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:54:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:54:31,042 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:54:59,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:54:59,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 304 states and 562 transitions. [2021-11-25 07:54:59,258 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 562 transitions. [2021-11-25 07:54:59,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 07:54:59,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:54:59,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:54:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:05,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:55:36,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:55:36,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 311 states and 577 transitions. [2021-11-25 07:55:36,103 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 577 transitions. [2021-11-25 07:55:36,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 07:55:36,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:55:36,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:55:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:43,355 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:56:18,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:18,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 318 states and 592 transitions. [2021-11-25 07:56:18,236 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 592 transitions. [2021-11-25 07:56:18,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-25 07:56:18,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:18,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:26,427 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:57:21,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:21,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 333 states and 622 transitions. [2021-11-25 07:57:21,621 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 622 transitions. [2021-11-25 07:57:21,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-25 07:57:21,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:21,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:28,848 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.